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SCHEDULE C: TYPE TESTING REQUIREMENTS SCHEDULE C1: Switchgear and controlgear (switchboard) – functional units with circuit breakers Type test certificates for each of the following type tests are submitted for acceptance, for each type of functional unit and rating provided. Applicable standard IEC 62271-200, clause 6.2.6.1 Type test Equipment to which applicable IEC 62271-200, clause 6.2.6.2 Power-frequency voltage test on the main circuit Lightning impulse voltage test IEC 62271-200, clause 6.2.9 Partial discharge test, less than 10 pC IEC 62271-200, clause 6.2.10 Dielectric tests on auxiliary and control circuits, 2 kV for 1 minute Radio interference voltage (RIV) test Measurement of the resistance of the main circuit, tolerance – 5% Temperature rise within representative portions of panel for each current rating, maximum temperature as per IEC 60694, clause 4.4.2 Complete functional unit with circuit breaker main power system including CT’s, cable and busbar VT’s and VT connections. Complete functional unit with circuit breaker main power system including CT’s, cable and busbar VT’s and VT connections. Complete functional unit with circuit breaker main power system including CT’s, cable and busbar VT’s, VT connections and all insulation materials installed (between phases, phase to earth and others). Power frequency - auxiliary wiring and control circuit. IEC 62271-200, clause 6.3 IEC 62271-200, clause 6.4.1 IEC 62271-200, clause 6.5 Panel type and rating Certificate ref. number Testing authority Not applicable. The complete main circuit of each functional unit as well as each switchboard is measured. Complete functional unit with circuit breakers, contactors, fuses, isolators, switches, current transformers, voltage transformers, main busbars, busbar droppers, secondary busbars and joints. 68 SCHEDULE C: TYPE TESTING REQUIREMENTS Applicable standard IEC 62271-200, clause 6.6(a), IEC 62271-100 IEC 62271-200, clause 6.6 (b) IEC 62271-200, clause 6.7.1 IEC 62271-200, clause 6.8 IEC 62271-200, clause 6.9 IEC 62271-200, clause 6.101 IEC 62271-100 (circuit breakers) IEC 62271-102 (disconnectors and earthing devices) IEC 62271-200, clause 102.1 IEC 62271-100, IEC 62271-103 Type test Equipment to which applicable Short-time withstand current and peak withstand current, main circuits, 3 s Short time withstand current and peak withstand current, earthing circuits, 3 s Verification of the IP coding, IP4X Tightness tests, limits as per IEC 60694 clause 5.15 EMC, secondary systems, limits as per IEC 60694 clause 5.18 Making and breaking capacities, peak and rms current, 3 s Making and breaking capacities, peak and rms current, 3 s Making and breaking capacities, earth switch, peak and rms current, 3 s Mechanical operation tests, switching devices and removable parts, withdrawals - 1000 Complete functional unit including circuit-breakers main busbars, busbar droppers and secondary busbars, isolators, including all joints, current transformers and voltage transformer connections. Complete functional unit with circuit breaker main power system including cable and busbar earth switch. Panel type and rating Certificate ref. number Testing authority Each functional unit and complete switchboard. Each functional unit, complete switchboard and component where applicable. Complete functional units fully equipped and wired. Complete functional unit with circuit breaker main power system including CT’s. Complete functional unit with circuit breaker main power system including CT’s. Complete functional unit with circuit breaker main power system including cable and busbar earth switches. Circuit-breakers, contactors, isolators and switches in complete panel. 69 SCHEDULE C: TYPE TESTING REQUIREMENTS Applicable standard IEC 62271-200, clause 102.1, IEC 62271-102 IEC 62271-200, clause 102.2 IEC 62271-200, clause 6.103 IEC 62271-200, clause 6.104.2 IEC 62271-200, clause 105 IEC 62271-200, clause 106 Type test Equipment to which applicable Mechanical operation tests, switching devices and removable parts, operations - 2000 Mechanical operation tests, interlocks, 200 attempts to operate, 100 attempts to insert/withdraw Pressure withstand test for gas-filled compartments Measurements of leakage currents, 0.5 mA Weatherproofing test Circuit-breakers, contactors, isolators and switches in complete panel. Internal arc faults, criteria 1-6, 200 ms, rms and peak current Representative functional unit’s ability to direct arc and gasses away from front, sides and back of panel (for compartments as specified). Panel type and rating Certificate ref. number Testing authority Mechanical interlocks on all functional units, switchboard and power interface system. Each compartment, complete switchboard and component (where applicable). All functional units and switchboard with insulating partitions. Not required. 70 SCHEDULE C: TYPE TESTING REQUIREMENTS SCHEDULE C2: Switchgear and controlgear (switchboard) – functional units with contactors Type test certificates for each of the following type tests are submitted for acceptance, for each type of functional unit and rating provided. Applicable standard IEC 62271-200, clause 6.2.6.1 IEC 62271-200, clause 6.2.6.2 IEC 62271-200, clause 6.2.9 IEC 62271-200, clause 6.2.10 IEC 62271-200, clause 6.3 IEC 62271-200, clause 6.4.1 IEC 62271-200, clause 6.5 Type test Equipment to which applicable Power - frequency voltage test on the main circuit Lightning and switching impulse voltage test Partial discharge test, less than 10 pC Complete functional unit with circuit breaker main power system including CT’s, cable and busbar VT’s and VT connections. Complete functional unit with circuit breaker main power system including CT’s, cable and busbar VT’s and VT connections. Complete functional unit with circuit breaker main power system including CT’s, cable and busbar VT’s, VT connections and all insulation materials installed (between phases, phase to earth and others). Power frequency - auxiliary wiring and control circuit. Dielectric tests on auxiliary and control circuits, 2 kV for 1 minute Radio interference voltage (RIV) test Measurement of the resistance of the main circuit, tolerance – 5% Temperature rise within representative portions of panel for each current rating, maximum temperature as per IEC 60694, clause 4.4.2 Panel type and rating Certificate ref. number Testing authority Not applicable. The complete main circuit of each functional unit as well as each switchboard is measured. Complete functional unit with circuit breakers, contactors, fuses, isolators, switches, current transformers, voltage transformers, main busbars, busbar droppers, secondary busbars and joints. 71 SCHEDULE C: TYPE TESTING REQUIREMENTS Applicable standard IEC 62271-200, clause 6.6(a), IEC 62271-100 IEC 62271-200, clause 6.6 (b) IEC 62271-200, clause 6.7.1 IEC 62271-200, clause 6.8 IEC 62271-200, clause 6.9 IEC 62271-200, clause 6.101 IEC 62271-100 (circuit breakers) IEC 62271-102 (disconnectors and earthing devices) Type test Equipment to which applicable Short-time withstand current and peak withstand current, main circuits, 3 s Short time withstand current and peak withstand current, earthing circuits, peak and rms current, 3 s Verification of the IP coding, IP4X Tightness tests, limits as per IEC 60694 clause 5.15 EMC, secondary systems, limits as per IEC 60694 clause 5.18 Making and breaking capacities, peak and rms current, 3 s Making and breaking capacities, peak and rms current, 3 s Making and breaking capacities, earth switch, peak and rms current, 3 s Complete functional unit including circuit-breakers main busbars, busbar droppers and secondary busbars, isolators, including all joints, current transformers and voltage transformer connections. Complete functional unit with circuit breaker main power system including cable and busbar earth switch. Panel type and rating Certificate ref. number Testing authority Each functional unit and complete switchboard. Each functional unit, complete switchboard and component where applicable. Complete functional units fully equipped and wired. Complete functional unit with circuit breaker main power system including CT’s. Complete panel with circuit breaker main power system including CT’s. Complete functional unit with circuit breaker main power system including cable and busbar earth switch. 72 SCHEDULE C: TYPE TESTING REQUIREMENTS Applicable standard IEC 62271-106 (contactors) IEC 62271-200, clause 102.1, IEC 62271-102 IEC 62271-200, clause 102.2 IEC 62271-200, clause 6.103 IEC 62271-200, clause 6.104.2 IEC 62271-200, clause 105 IEC 62271-200, clause 106 Type test Equipment to which applicable Making and breaking capacities, peak and rms current, 3 s Mechanical operation tests, switching devices and removable parts, operations - 2000 Mechanical operation tests, interlocks, 200 attempts to operate, 100 attempts to insert/withdraw Pressure withstand test for gas-filled compartments Measurements of leakage currents, 0.5 mA Weatherproofing test Complete functional unit with contactor and main power fuses. Internal arc faults, criteria 1-6, 200 ms, rms and peak current Representative functional unit’s ability to direct arc and gasses away from front, sides and back of panel (for compartments as specified). Panel type and rating Certificate ref. number Testing authority Circuit-breakers, contactors, isolators and switches in complete panel. Mechanical interlocks on all functional units, switchboard and power interface system. Each compartment, complete switchboard and component (where applicable). All functional units and switchboard with insulating partitions. Not required. 73 SCHEDULE C: TYPE TESTING REQUIREMENTS SCHEDULE C3: Component type testing – circuit breakers Short-circuit tests in accordance with IEC 62271-100 CIRCUIT BREAKER: ___________________________________ Testduty no. Test-duty sequence Current [kA] 1 o-t-o-t’ -o 0.1 x 1 2 o-t-o-t’ -o 0.3 x 1 3 o-t-o-t’ -o 0.6 x 1 4 o-t-co-t’ -co l 5 o-t-o-t’ -o l’ TRV peak value, uc [kV] Voltage of prospective transient recovery voltage Time delay Voltage u’ Time t’ Rate of td [kV] rise uc/t3 Time t3 [s] [s] [kV/s] [s] PFRV Remarks NOTE: 1. l - rated short-circuit breaking current (symmetrical) 2. l’ l + % DC component, as specified (symmetrical) 3. TRV - transient recovery voltage on circuit breaker’s terminals 4. PFRV - power frequency recovery voltage on circuit breaker’s terminals 5. Representation by two parameters: First-pole-to-clear factor 1.5 6. On test-duties numbers 1,2,3 and 5, it is permissible to use the cycle; o-t-co-t’ -co 7 t = t’ = three minutes, but t = 0.3 seconds applies to circuit breakers intended for rapid auto-reclosing (dead time) 74 SCHEDULE C: TYPE TESTING REQUIREMENTS SCHEDULE C4: Component type testing – circuit breakers Short-circuit tests for cable-charging breaking current to IEC 62271-100 CIRCUIT BREAKER: ___________________________________________ Switching over voltages for cable-charging breaking current a Test duty no. – no. of tests Test-duty Sequence Current [kA] Supply circuit U1 (peak value) [kV] U1 Ur x [p.u.] 1-10 o-t-o-t’ -o (0.2-0.4) x Irc A 2-10 o-t-o-t’ -o Irc A 3-10 o-t-o-t’ -o (0.2-0.4) x Irc B 4-10 o-t-o-t’ -o Irc B 2 3 b U1 (peak value) [kV] Remarks U1 Ur x 2 3 [p.u.] Notes 1. Irc - rated cable - charging breaking current. 2. U1 - switching over voltage (peak value). 3. Ur - rated voltage (rms). 4. a - applicable to circuit breakers for general use, intended for switching unloaded cables. 5. b - applicable to circuit breakers for general use, intended for switching unloaded cables. 6. A - applicable when breaking current 10% of the rated short-circuit current of CB. 7. B - applicable when breaking current 100% of the rated short-circuit current of CB. 8. The last two tests of test-duties numbers 2 and 4 shall be CO tests. 9. No external flash-over and re-strikes shall occur, however when the latter exists, then the maximum measured breaking over voltages shall not exceed the maximum permissible switching over voltages specified by the manufacturer. 10 t = t’ = three minutes, but t = 0.3 seconds applies to CB’s intended for rapid auto-re-closing (dead time). 75 SCHEDULE C: TYPE TESTING REQUIREMENTS SCHEDULE C5: Component type testing – associated accessories for switchboards Type test certificates are submitted for each component not identical to the components used in the switchboard type testing. These type tests can be performed on components only (outside of the switchboard configuration). The tests are clearly referenced and labelled and then indexed in this schedule. Applicable standard IEC 62271-100, IEC 62271-103 Type test Equipment to which applicable Circuit-breakers, contactors, isolators and switches. IEC 60044-1 Mechanical enduranceoperations: Mechanical: 20000 Electrical: 20000 Secondary leakage reactance Secondary resistance IEC 60044-1 Magnetising curve Current transformers IEC 60044-1 Temperature rise Current transformers IEC 60044-1 Accuracy Current transformers IEC 60044-1 Short time withstand Current transformers IEC 60044-1 Impulse Current transformers IEC 60044-1 Power frequency Current transformers IEC 60044-2 Temperature rise Voltage transformer IEC 60044-2 High voltage power frequency at kV as required Impulse voltage Voltage transformer IEC 60044-1 IEC 60044-2 Panel type and rating Certificate ref. number Testing authority Current transformers Current transformer Voltage transformer 76 SCHEDULE C: TYPE TESTING REQUIREMENTS Applicable standard IEC 60044-2 Type test Equipment to which applicable Test for accuracy Voltage transformer IEC 60044-3 PD testing Voltage transformer IEC 60282 Temperature rise Main fuse IEC 60282 Short circuit Main fuse IEC 60282 Striker pin Main fuse IEC 60269 Short circuit Control fuse GGSS 1201 Functional Control equipment GGSS 1201 Functional Protection and electronic equipment Panel type and rating Certificate ref. number Testing authority 77 SCHEDULE C: TYPE TESTING REQUIREMENTS SCHEDULE C6: TYPE TEST DEVIATION SCHEDULE Any type test certificate offered which is not in compliance with the requirements is supported by a type test deviation schedule. Deviation Schedule DATA OF TYPE TEST REQUESTED: Applicable standard Type test Equipment to which applicable Panel type and rating Certificate ref. number Testing authority Panel type and rating Certificate ref. number Testing authority DATA OF TYPE TEST CERTIFICATE OFFERED: Applicable standard Type test Equipment to which applicable Deviation details: Enquiry number: ______________________________ Tenderer name: _______________________________ Signature: ____________________________________ 78