Technical Specification - ABB



Technical Specification for Disconnecting Circuit Breakers between 72.5 – 800 kVBased on International Electrotechnical Commission (IEC)TABLE OF CONTENT TOC \o "1-4" \h \z \u 1Disconnecting circuit breakers PAGEREF _Toc430956881 \h 31.1Scope PAGEREF _Toc430956882 \h 31.2General requirements PAGEREF _Toc430956883 \h 31.3Standards PAGEREF _Toc430956884 \h 31.4Service conditions PAGEREF _Toc430956885 \h 31.5Disconnecting circuit breaker ratings PAGEREF _Toc430956886 \h 31.6Design requirements PAGEREF _Toc430956887 \h 41.6.1Density monitoring PAGEREF _Toc430956888 \h 41.6.2Operating mechanisms disconnecting circuit breaker PAGEREF _Toc430956889 \h 41.6.3Locking Mechanism disconnecting circuit breaker PAGEREF _Toc430956890 \h 51.6.4Earthing switch (if applicable) PAGEREF _Toc430956891 \h 51.6.5Electrical interlocking disconnecting circuit breaker PAGEREF _Toc430956892 \h 61.6.6Support structures PAGEREF _Toc430956893 \h 61.6.7Central control cabinet/Integrated control cabinet (when applicable) PAGEREF _Toc430956894 \h 61.6.8Controlled switching (when applicable) PAGEREF _Toc430956895 \h 71.7Tests PAGEREF _Toc430956896 \h 81.7.1Type tests on disconnecting circuit breakers PAGEREF _Toc430956897 \h 81.7.2Routine tests on disconnecting circuit breakers PAGEREF _Toc430956898 \h 82Technical schedule disconnecting circuit breaker PAGEREF _Toc430956899 \h 93REVISION HISTORY PAGEREF _Toc430956900 \h 20Table of figures TOC \h \z \c "Table" Table 1 Electrical interlocking scheme of DCB PAGEREF _Toc433377727 \h 6Table 2 Zink coating table PAGEREF _Toc433377728 \h 6Table 3 Ambient and site conditions PAGEREF _Toc433377729 \h 9Table 4 General and common data for all disconnecting circuit breakers PAGEREF _Toc433377730 \h 9Table 5 Specification DCB 72.5kV PAGEREF _Toc433377731 \h 10Table 6 Specification DCB 123kV PAGEREF _Toc433377732 \h 11Table 7 Specification DCB 145kV PAGEREF _Toc433377733 \h 12Table 8 Specfication DCB 170kV PAGEREF _Toc433377734 \h 13Table 9 Specification DCB 245kV PAGEREF _Toc433377735 \h 14Table 10 Specification DCB 300kV PAGEREF _Toc433377736 \h 15Table 11 Specification DCB 362kV PAGEREF _Toc433377737 \h 16Table 12 Specification DCB 420kV PAGEREF _Toc433377738 \h 17Table 13 Specification DCB 550kV PAGEREF _Toc433377739 \h 18Table 14 Specification DCB 800kV (Not Applicable for 60Hz) PAGEREF _Toc433377740 \h 19Disconnecting circuit breakersScopeThese specifications cover general requirements for the design, manufacture and testing of disconnecting circuit breakers (DCB).General requirementsThe disconnecting circuit breakers (DCB) shall be of the live tank type for outdoor installation, using SF6 or alternative environmental friendly extinguishing medium gas as the insulating and current extinguishing medium. Oil and vacuum is not accepted.For disconnecting circuit breakers with single-pole operation, local and remote three-pole operation shall be possible.The operating mechanism should preferably be of the motor-charged spring type. However, other types of mechanisms can be considered, e.g., motor drives.The manufacturer shall ensure trip-free operation.Neither pre-insertion resistors nor grading capacitors bridging the isolating distance will be accepted.StandardsAll apparatus shall be of latest design and shall fulfill all relevant requirements stated in applicable standards, referred to for each apparatus.Summary of important Standards for this specification:IEC 62271-108 High-voltage switchgear and controlgear – Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and aboveIEC 62271-100 High-voltage switchgear and controlgear – Part 100: Alternating-current circuit-breakersIEC 62271-102High-voltage switchgear and controlgear – Part 102: Alternating current disconnectors and earthing switchesSummary of important Guidelines for this specification:IEC 62271-300 Guideline for High-voltage alternating current circuit-breakers - Guide for seismic qualification of high-voltage alternating current circuit-breakersService conditionsThe manufacturer shall ensure that the disconnecting circuit breakers (DCB) will operate satisfactorily in installations with service conditions as specified under REF _Ref423944693 \h Table 3 Ambient and site conditions.Disconnecting circuit breaker ratingsThe disconnecting circuit breakers (DCB) shall comply with the data indicated under REF _Ref423944742 \h Table 4 General and common data for all disconnecting circuit breakers and relevant DCB specification.Design requirementsDensity monitoringThe disconnecting circuit breakers (DCB) shall be provided with temperature-compensated density meters for indication of low gas density (using reference volume). The density meters shall monitor gas pressure and provide outputs as follows: should the gas density fall to the recommended density levels for refill/low gas density and trip-close/lockout: - Stage 1 Alarm- Stage 2 Trip-close/LockoutThe outputs of the density meters shall include contacts for substation alarm and lockout of all operation of the disconnecting circuit breaker.Each density meter should include a manometer, readable from ground level, preferably with a scale with indication of the absolute pressure in MPa. One density meter per operating mechanisms is preferable.The disconnecting circuit breakers shall have a mechanically linked indication system which at all times gives a clear and unambiguous representation of the position of the main contacts – preferable one per pole. The indication shall be easily readable from ground level.Operating mechanisms disconnecting circuit breakerThe operating mechanism cabinets shall include the following features and equipment:A control panel with three (four) selector switches; Positions LOCAL-REMOTE-DISCONNECTEDControl switch ON/OFF for circuit breaker operation)Control switch LOCK/UN-LOCK for locking device operation(OPTIONAL) Control switch OPEN/CLOSE for earthing switch operation The springs shall be charged by an electric motor, preferably a universal type. The motor shall be protected by a miniature circuit breaker with auxiliary contacts for indication. When the springs are charged, a contactor controlled by a limit switch shall disconnect the motor circuit.A mechanical or electrical indication, visible from outside the cabinet, shall indicate when the springs are fully charged or un-charged.Under no conditions shall it be possible to perform closing or tripping operations without the appropriate springs being fully charged.The operating mechanism shall include features for charging the closing springs manually by means of a lever. When the lever is used the motor circuit shall be de-energized.Relays for lockout ON/OFF operation of the disconnecting circuit breaker in case the gas pressure has dropped to the lockout level.Heating elements; one element permanently energized and one operated by a thermostat, or alternatively, a humidity detector. The heating elements shall be protected by a miniature circuit breaker with auxiliary contacts.The wiring in the cabinet should be carried out with stranded copper cable with sufficient cross-section area to withstand the currents flowing in auxiliary, control and motor circuits. The cables should be marked along its’ whole length with wiring number and destination.Locking Mechanism disconnecting circuit breakerThe Locking mechanism for the DCB shall provide the following:When DCB is locked in open position, operation of the circuit breaker should be both mechanically locked and electrically disabled.Motor operation from remote or local. Manual operation as backup.??Electrical interlocking between the DCB, and if applicable earth switch, for safe operation according to REF _Ref423949369 \h Table 1 Electrical interlocking scheme of DCB. A facility shall be provided to externally padlock the DCB in “locked” position.The padlock holes shall be accessible from the ground level.The indication of DCB being locked in open position shall be visible from ground level, by use of suitable indication, with the control cabinet door closed. Earthing switch (if applicable)The Earthing switch for the disconnecting circuit breaker (DCB) shall contain the following features:The earthing switches shall be motor-operated with manual operation as a back-up. The mechanism shall be equipped with a mechanical lever for manual operation during maintenance and emergency operation. When the lever is used, the motor circuit shall be isolated.The operating mechanism should be located in painted aluminum cabinet, same requirements for corrosion resistance and degree of protection as the operating mechanism of the disconnecting circuit breaker.A heating element shall be included in the operating mechanism of the earthing switch.The earthing switch shall be operated by a motor connected to the operating shaft, either directly or through a gear train.The motor shall be operated remotely or at disconnecting circuit breaker control cabinet and should be protected by a miniature circuit breaker. When the earthing switch has reached its end position, the motor circuit shall be interrupted by a limit switch.Selector switch [REMOTE-LOCAL-DISCONNECTED] for earthing switch should be common with the disconnecting circuit breaker selector switch and located the disconnecting circuit breaker operating mechanism or in the central control cabinet.Connection from disconnecting circuit breaker is made by quick connection terminals.Electrical interlocking between the DCB, and locking device, for safe operation according to REF _Ref423949369 \h \* MERGEFORMAT Table 1 Electrical interlocking scheme of DCB.Pad-lockable in open and closed positionThe requirements specified for the control panel, terminals and internal cabling in the disconnecting circuit breaker operating mechanism are also valid for the operating mechanism for the earthing switch. Electrical interlocking disconnecting circuit breaker Table SEQ Table \* ARABIC 1 Electrical interlocking scheme of DCBElectrical interlocking in DCBMain switch positionElectrical interlocking for DCBLocalOperation only possible from breakerRemoteOperation only possible from control roomDisconnectedNo operation possibleBreaker positionBreaker operation possibleOperation of locking device possibleOperation of Earthing Switch possible (if built on)ClosedYesNoNoOpenYesYesNoOpen and lockedNoYesYesOpen, locked and earthedNoNoYesSupport structuresEach disconnecting circuit breaker pole should be mounted on its separate support structure. Alternatively, the three poles can be mounted on a common support beam.The support structure should be made of hot-dip galvanized steel. The zinc coating shall comply with EN-ISO 1461, DIN 50976 or ASTM?A123 and ASTM?A153 (for fasteners).Table SEQ Table \* ARABIC 2 Zink coating tableSteel thickness (mm)Average zinc coating (m)>61153-6951-370The support structure should be of a sufficient height, providing minimum 2.25 meters ground clearance to lower part of insulator.Central control cabinet/Integrated control cabinet (when applicable)Applicable for single pole operated disconnecting circuit breakers. In order to achieve local three-pole operation of single-pole operated disconnecting circuit breakers, a central control cabinet (CCC)/integrated control cabinet (ICC) should be provided.The central cabinet should include selector switches for operation and position selection as described under REF _Ref423949935 \h Operating mechanisms disconnecting circuit breaker above. The requirements for internal cabling and terminals in the operating mechanism cabinets are otherwise valid. Controlled switching (when applicable)Controlled switching by means of adaptive type will be the preferred method, unless it can be proven by field experience that said method does not dramatically improve system reliability/operability.For energizing of no-load transformers, controlled switching by means of remnant flux calculation is preferable; however this shall be observed on a case-by-case basis, depending on field experience with similar system configuration characteristics.TestsType tests on disconnecting circuit breakersThe following mandatory type tests should be carried out in accordance with IEC 62271-108:Dielectric testsRadio interference testsMeasurement of the resistance of the main circuitTemperature rise testsShort-time withstand current and peak withstand current testsVerification of the degree of protectionTightness testsMechanical (M1/M2 class) and environmental testsBasic short-circuit test dutiesShort-line fault testsOut-of-phase making and breaking testsCapacitive current switching testsTests to verify the proper function of the position indicating deviceElectrical Endurance Combined Function TestMechanical Endurance Combined Function TestIn addition to the mandatory type tests as per IEC 62271-108, the following tests should be carried out when applicable:Switching of shunt reactors in accordance with IEC 62271-110If required by geographic location, seismic withstand verifications are recommended as per guideline IEC 62271-300. Calculations of the circuit breakers withstand capability against seismic action are also acceptable.Type tests shall be performed by an independent accredited European laboratory. If the manufacturer can show evidence through certified reports on performed type tests on the disconnecting circuit breakers, the requirements for execution of tests can be waived.Routine tests on disconnecting circuit breakersThe disconnecting circuit breakers shall be routine tested in accordance with IEC?62271-108.Eventual Earthing switch may be tested separately as long as interlocking in secured according to circuit diagram.Technical schedule disconnecting circuit breaker Table SEQ Table \* ARABIC 3 Ambient and site conditionsDISCONNECTING CIRCUIT BREAKER SPECIFICATIONParameter description for disconnecting circuit breakerUNIT/optionsSchedule ASchedule BMin. Required DataGuarantee dataAMBIENT AND SITE CONDITIONS Temperature range :- Minimum temperature [°C]-25?- Maximum temperature[°C]+40?Site altitudeIf site altitude is higher than 1000 m.a.s.l. supplier must do the altitude correction and provide suitable equipment.m.a.s.l.≤1000?Seismic qualification levelAF1/AF3/AF5??Minimum nominal specific creepage distance[mm/kV]25?Wind velocity[m/s]34?Ice class[mm]10?Table SEQ Table \* ARABIC 4 General and common data for all disconnecting circuit breakersGENERAL/COMMON DATA FOR ALL DISCONNECINTG CIRCUIT BREAKERSStandards to fulfill/test against-IEC 62271-108&IEC 62271-100?Frequency[Hz] 50/6050 Operating voltage [V DC]XXX (+10% -15%)?Motor [V DC]XXX (+10% -15%)?Heater[V AC]XXX?Number of trip coils-2?Number of close coils-1?Manual trip-Yes, InternalElectro-Mechanical trip counter (non-resettable) -YesAnti pumping relay-YesSpring Charge Indication-YesTrip Coil Supervision-Yes, InternalMiniature circuit breaker (MCB)-Yes, heater and motor circuitUnder voltage relay-NoMinimum number of free auxiliary contacts (NO/NC) in DCB operating mechanism5/5Minimum number of free auxiliary contacts (NO/NC) in earthing switch operating mechanism2/2Bursting disc-NoHV TerminalsIEC(40) 9?hole +NEMA(44.5) 4?holeLight in cabinet(s)-Yes, LEDCreepage distance (phase to phase)[mm/kV]25Type of insulator and color-Composite/Grey with silicone rubberType of cubical-Painted AluminumProtection class-IP55Corrosion class-C4Table SEQ Table \* ARABIC 5 Specification DCB 72.5kVSpecific data for DCB 72.5kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation1-pole/3-pole3-pole?Number of poles-3?Phase to phase distance[mm]1500Type of driveSpring/MotorSpringDIELECTRIC CHARACTERISTICSRated Voltage[kV]72.5Lightning impulse withstand voltage : - phase-to-earth[kV]325? - across the open switching device [kV]375?Switching impulse withstand voltage : - phase-to-earth[kV]N/A? - across the open switching device[kV]N/A?Power frequency withstand voltage : - phase-to-earth[kV]140? - across the open switching device[kV]160?Continuous current[A]2750?Rated short-circuit breaking current:[kA]31.5?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor1.3/1.51.5?Capacitive current switching class C1/C2C2?Line charging breaking current[A]10Cable charging breaking current[A]125Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]State your value?Insulating gas type-SF6(SF6/N2; SF6/CF4) or CO2 + O2?CT brackets included on support structureYes/NoYesMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]<50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCBYes/NoYesType of operation, Rated short circuit current, Rated voltage level, Rated frequency, Rated insulation level-Same as DCBMechanical endurance class-M1General class-Class AElectrical endurance class-E0Operation-Local/Remote/ManualPadlocking possible in positions Open and Close-YesTable SEQ Table \* ARABIC 6 Specification DCB 123kVSpecific data for DCB 123kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation1-pole/3-pole3-pole?Number of poles-3?Phase to phase distance[mm]1750Type of driveSpring/MotorSpringDIELECTRIC CHARACTERISTICSRated Voltage[kV]123Lightning impulse withstand voltage : - phase-to-earth[kV]550? - across the open switching device [kV]630?Switching impulse withstand voltage : - phase-to-earth[kV]N/A? - across the open switching device[kV]N/A?Power frequency withstand voltage : - phase-to-earth[kV]230? - across the open switching device[kV]265?Continuous current[A]3150?Rated short-circuit breaking current:[kA]31.5?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor1.3/1.51.5?Capacitive current switching class C1/C2C2?Line charging breaking current[A]31.5Cable charging breaking current[A]140Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]State your value?Insulating gas type-SF6(SF6/N2; SF6/CF4) or CO2 + O2?CT brackets included on support structureYes/NoYesMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]<50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCBYes/NoYesType of operation, Rated short circuit current, Rated voltage level, Rated frequency, Rated insulation level-Same as DCBMechanical endurance class-M1General class-Class AElectrical endurance class-E0Operation-Local/Remote/ManualPadlocking possible in positions Open and Close-YesTable SEQ Table \* ARABIC 7 Specification DCB 145kVSpecific data for DCB 145kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation1-pole/3-pole3-pole?Number of poles-3?Phase to phase distance[mm]1750Type of driveSpring/MotorSpringDIELECTRIC CHARACTERISTICSRated Voltage[kV]145Lightning impulse withstand voltage : - phase-to-earth[kV]650? - across the open switching device [kV]750?Switching impulse withstand voltage : - phase-to-earth[kV]N/A? - across the open switching device[kV]N/A?Power frequency withstand voltage : - phase-to-earth[kV]275? - across the open switching device[kV]315?Continuous current[A]3150?Rated short-circuit breaking current:[kA]40?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor1.3/1.51.5?Capacitive current switching class C1/C2C2?Line charging breaking current[A]50Cable charging breaking current[A]160Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]State your value?Insulating gas type-SF6(SF6/N2; SF6/CF4) or CO2 + O2?CT brackets included on support structureYes/NoYesMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]<50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCBYes/NoYesType of operation, Rated short circuit current, Rated voltage level, Rated frequency, Rated insulation level-Same as DCBMechanical endurance class-M1General class-Class AElectrical endurance class-E0Operation-Local/Remote/ManualPadlocking possible in positions Open and Close-YesTable SEQ Table \* ARABIC 8 Specfication DCB 170kVSpecific data for DCB 170kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation1-pole/3-pole3-pole?Number of poles-3?Phase to phase distance[mm]2500Type of driveSpring/MotorSpringDIELECTRIC CHARACTERISTICSRated Voltage[kV]170Lightning impulse withstand voltage : - phase-to-earth[kV]750? - across the open switching device [kV]860?Switching impulse withstand voltage : - phase-to-earth[kV]N/A? - across the open switching device[kV]N/A?Power frequency withstand voltage : - phase-to-earth[kV]325? - across the open switching device[kV]375?Continuous current[A]3150?Rated short-circuit breaking current:[kA]40?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor1.3/1.51.5?Capacitive current switching class C1/C2C2?Line charging breaking current[A]63Cable charging breaking current[A]160Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]State your value?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCBYes/NoYesType of operation, Rated short circuit current, Rated voltage level, Rated frequency, Rated insulation level-Same as DCBMechanical endurance class-M1General class-Class AElectrical endurance class-E0Operation-Local/Remote/ManualPadlocking possible in positions Open and Close-YesTable SEQ Table \* ARABIC 9 Specification DCB 245kVSpecific data for DCB 245kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation1-pole/3-pole3-pole?Number of poles-3?Phase to phase distance[mm]3000Type of driveSpring/MotorSpringInclude Central Control Cabinet (CCC) for 1-pole operation (If 3-pole operation this is Not Applicable)Not Applicable/Yes/NoNot ApplicableDIELECTRIC CHARACTERISTICSRated Voltage[kV]245Lightning impulse withstand voltage : - phase-to-earth[kV]1050? - across the open switching device [kV]1200?Switching impulse withstand voltage : - phase-to-earth[kV]N/A? - across the open switching device[kV]N/A?Power frequency withstand voltage : - phase-to-earth[kV]460? - across the open switching device[kV]530?Continuous current[A]3150?Rated short-circuit breaking current:[kA]50?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor-1.3?Capacitive current switching class C1/C2C2?Line charging breaking current[A]125Cable charging breaking current[A]250Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]State your value?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCBYes/NoYesType of operation, Rated short circuit current, Rated voltage level, Rated frequency, Rated insulation level-Same as DCBMechanical endurance class-M1General class-Class AElectrical endurance class-E0Operation-Local/Remote/ManualPadlocking possible in positions Open and Close-YesTable SEQ Table \* ARABIC 10 Specification DCB 300kVSpecific data for DCB 300kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation1-pole/3-pole3-pole?Number of poles-3?Phase to phase distance[mm]3500Type of driveSpring/MotorSpringInclude Central Control Cabinet (CCC) for 1-pole operation (If 3-pole operation this is Not Applicable)Not Applicable/Yes/NoNot ApplicableDIELECTRIC CHARACTERISTICSRated Voltage[kV]300Lightning impulse withstand voltage : - phase-to-earth[kV]1050? - across the open switching device [kV]1050 (+170)?Switching impulse withstand voltage : - phase-to-earth[kV]850? - across the open switching device[kV]700 (+245)?Power frequency withstand voltage : - phase-to-earth[kV]395? - across the open switching device[kV]435?Continuous current[A]3150?Rated short-circuit breaking current:[kA]50?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor-1.3?Capacitive current switching class C1/C2C2?Line charging breaking current[A]200Cable charging breaking current[A]315Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]State your value?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCBYes/NoYesType of operation, Rated short circuit current, Rated voltage level, Rated frequency, Rated insulation level-Same as DCBMechanical endurance class-M1General class-Class AElectrical endurance class-E0Operation-Local/Remote/ManualPadlocking possible in positions Open and Close-YesTable SEQ Table \* ARABIC 11 Specification DCB 362kVSpecific data for DCB 362kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation-1-pole?Number of poles-3?Type of driveSpring/MotorSpringInclude Central Control Cabinet (CCC) Yes/NoYes DIELECTRIC CHARACTERISTICSRated Voltage[kV]362Lightning impulse withstand voltage : - phase-to-earth[kV]1175? - across the open switching device [kV]1175 (+205)?Switching impulse withstand voltage : - phase-to-earth[kV]950? - across the open switching device[kV]800 (+295)?Power frequency withstand voltage : - phase-to-earth[kV]450? - across the open switching device[kV]520?Continuous current[A]3150?Rated short-circuit breaking current:[kA]50?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor-1.3?Capacitive current switching class C1/C2C2?Line charging breaking currentA315Cable charging breaking currentA355Single/Back to Back capacitor bank switching currentA-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]0,XX (0,XX SF6/0,XX N2)?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCB-NoFIBER OPTIC CURRENT SENSOR (FOCS)Include FOCS with DCBYes/NoYesRated current [A]>400Corresponding accuracy class to rated current-0.2s/5TPECommunication protocol-IEC 61850-9-2LECommunication output -Optical EthernetTemperature range[°C]-40 to +50CONTROLLED SWITCHINGControlled switching requiredYes/NoNoApplication (No-load Overhead line, Power Transformer, Capacitor Bank, Filter Bank, Shunt Reactor, Other)--Table SEQ Table \* ARABIC 12 Specification DCB 420kVSpecific data for DCB 420kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation-1-pole?Number of poles-3?Type of driveSpring/MotorSpringInclude Central Control Cabinet (CCC) Yes/NoYes DIELECTRIC CHARACTERISTICSRated Voltage[kV]420Lightning impulse withstand voltage : - phase-to-earth[kV]1425? - across the open switching device [kV]1425 (+240)?Switching impulse withstand voltage : - phase-to-earth[kV]1050? - across the open switching device[kV]900 (+345)?Power frequency withstand voltage : - phase-to-earth[kV]520? - across the open switching device[kV]610?Continuous current[A]3150?Rated short-circuit breaking current:[kA]50?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor-1.3?Capacitive current switching class C1/C2C2?Line charging breaking current[A]400Cable charging breaking current[A]400Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°CMPa(abs)0,XX (0,XX SF6/0,XX N2)?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCB-NoFIBER OPTIC CURRENT SENSOR (FOCS)Include FOCS with DCBYes/NoYesRated current [A]>400Corresponding accuracy class to rated current-0.2s/5TPECommunication protocol-IEC 61850-9-2LECommunication output -Optical EthernetTemperature range[°C]-40 to +50CONTROLLED SWITCHINGControlled switching requiredYes/NoNoApplication (No-load Overhead line, Power Transformer, Capacitor Bank, Filter Bank, Shunt Reactor, Other)--Table SEQ Table \* ARABIC 13 Specification DCB 550kVSpecific data for DCB 550kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation-1-pole?Number of poles-3?Type of driveSpring/MotorSpringInclude Central Control Cabinet (CCC) Yes/NoYes DIELECTRIC CHARACTERISTICSRated Voltage[kV]550Lightning impulse withstand voltage : - phase-to-earth[kV]1550? - across the open switching device [kV]1550 (+315)?Switching impulse withstand voltage : - phase-to-earth[kV]1175? - across the open switching device[kV]900 (+450)?Power frequency withstand voltage : - phase-to-earth[kV]620? - across the open switching device[kV]800?Continuous current[A]4000?Rated short-circuit breaking current:[kA]50?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor-1.3?Capacitive current switching class C1/C2C2?Line charging breaking current[A]500Cable charging breaking current[A]500Single/Back to Back capacitor bank switching current[A]-OTHER INFORMATIONFilling pressure at 20°C[MPa(abs)]0,XX (0,XX SF6/0,XX N2)?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCB-NoFIBER OPTIC CURRENT SENSOR (FOCS)Include FOCS with DCBYes/NoYesRated current [A]>400Corresponding accuracy class to rated current-0.2s/5TPECommunication protocol-IEC 61850-9-2LECommunication output -Optical EthernetTemperature range[°C]-40 to +50CONTROLLED SWITCHINGControlled switching requiredYes/NoNoApplication (No-load Overhead line, Power Transformer, Capacitor Bank, Filter Bank, Shunt Reactor, Other)--Table SEQ Table \* ARABIC 14 Specification DCB 800kV (Not Applicable for 60Hz)Specific data for DCB 800kVAll circuit breakers should be tested in accordance with IEC 62271-100 & IEC 62271-108Requested ratingsOffered ratingsType designation-Show product name Type of operation-1-pole?Number of poles-3?Type of driveSpring/MotorSpringInclude Central Control Cabinet (CCC) Yes/NoYes DIELECTRIC CHARACTERISTICSRated Voltage[kV]800Lightning impulse withstand voltage : - phase-to-earth[kV]2100? - across the open switching device [kV]2100 (+455)?Switching impulse withstand voltage : - phase-to-earth[kV]1550? - across the open switching device[kV]1175 (+650)?Power frequency withstand voltage : - phase-to-earth[kV]830? - across the open switching device[kV]1150?Continuous current[A]4000?Rated short-circuit breaking current:[kA]50?Duration[s]3DC time constant[ms]45?First-pole-to-clear factor-1.3?Capacitive current switching class C1/C2C2?Line charging breaking currentA900Cable charging breaking currentA-Single/Back to Back capacitor bank switching currentA-OTHER INFORMATIONFilling pressure at 20°CMPa(abs)0,XX (0,XX SF6/0,XX N2)?Insulating gas type-SF6(SF6/N2; SF6/CF4) ?CT brackets included on support structureYes/NoNoMECHANICAL CHARACTERISTICSOpening time[ms](XX±X)?Closing time[ms]≤60?Breaking time[ms]≤50Mechanical endurance classM1/M2M2Rated operating sequence-O-0.3s-CO-3min(s)-COEARTHING SWITCH DATA (referring to IEC 62271-102)Earthing switch built on to DCB-NoFIBER OPTIC CURRENT SENSOR (FOCS)Include FOCS with DCBYes/NoYesRated current [A]>400Corresponding accuracy class to rated current-0.2s/5TPECommunication protocol-IEC 61850-9-2LECommunication output -Optical EthernetTemperature range[°C]-40 to +50CONTROLLED SWITCHINGControlled switching requiredYes/NoNoApplication (No-load Overhead line, Power Transformer, Capacitor Bank, Filter Bank, Shunt Reactor, Other)--REVISION HISTORYREVInd.DESCRIPTIONRELEASED BYDATE-New DocumentA ................
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