IEC62271 High Voltage Circuit Breaker Timing Test Set
Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of iec62271 high voltage circuit breaker timing test set in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.
High Voltage Circuit Breaker Timing Test Set
1 . Characteristics
◆ the instrument can test the vacuum circuit breaker, sf6, oil circuit breaker, GIS and etc.
◆ there are discharge circuit on every main contact channel, so the instrument can be used in the 550kV environment.
◆ some types of the instrument can test 12 channels main contacts and 6 PIR contacts, 6 AUX contacts ,3(6) graphite nozzle contacts.
◆ with three analog motion transducers and three digital transducers test interface.
◆ Just one test, the user can get the close(open) , C-O, O-C and O-C-O's time , motion and speed results table and graph.
◆ Up to 100 different circuit breaker types edition is supported.
◆ With the built-in large power and isolation digital dc power , the MTC,MLC , charge motor and charge motor test are easily supported.
◆ With the perfect archive management, the test result data is easily imported and exported.
◆ The IAP is supported from the USB memory disk and Ethernet interface.
◆ With a 7 inch TFT LCD panel, optical encoder and keypad , a friendly HMI interface is supported.
◆ With the pc software ,the deeper data analyzer and research can be introduced , the upper envelope curve , lower envelope curve and standard test report .
2. Technical Specification
| Item | Specification |
| Timing Part | |
| Main Contact, Aux Contact | Recording length: 1 ms～200 s |
| Time resolution: 0.01 ms～20 ms (depends on recording length) | |
| Time accuracy: ±0.1% reading ±1 LSB | |
| Graphite Contact (BSG test) | Recording length: 1 s |
| Time resolution: 0.1 ms | |
| Time accuracy: ±0.2% reading ±1 LSB | |
| PIR Contact | PIR resistance range: 50 Ω～5000 Ω |
| PIR resistance resolution: 0.1 Ω | |
| PIR resistance accuracy: ±5% reading ±0.5 Ω | |
| Stroke Part | Stroke range: 0～1000 mm |
| Stroke resolution: 0.1 mm | |
| Stroke accuracy: ±0.5% reading ±1 LSB | |
| Velocity Part | Velocity range: 0～20.0 m/s |
| Velocity resolution: 0.01 m/s | |
| Coil Current Part | Current range: 0～20 A |
| Current resolution: 0.001 A | |
| Voltage Source Part | Voltage range: 30～250 V |
| Max power: 5 kW | |
| Power Supply | Main unit: 220 V ±10% AC, 50 Hz ±10% |
| Environment | Operating temperature: -10 ℃～55 ℃ |
| Storage temperature: -30 ℃～70 ℃ | |
| Relative humidity: 5%～95% RH, non-condensing | |
| Altitude: < 2000 m | |
| Dimensions | Main unit: 472(W) × 365(D) × 210(H) mm |
| Weight | Main unit: 10.5 kg |
3. Basic concepts
3.1. Time
Closing time: interval of time between energising the closing circuit, the circuit-breaker being in the open
Position, and the instant when the contacts touch in all poles.
Opening time: the interval of time between the instant of energising the opening release, the circuit-breaker being in the closed position, and the instant when the arcing contacts have separated in all poles.
Bounce time: The time gap between the two contacts touch(separate)the first time and the two contacts touch(separate) stable.
Bounce cycles: The cycles in the progress of the time gap between the two contacts touch(separate) the first time and the two contacts touch(separate) stable.
Close-open time: interval of time between the instant when the contacts touch in the first pole during a closing operation and the instant when the arcing contacts have separated in all poles during the subsequent opening operation.
3.2. Motion/Travel
Stroke : stroke is the distance from the stable initial close(open) state to the stable final close(open) state.
3.3. Speed
Speed: the close or open speed is defined by the circuit breaker producer. It is also called just open/close speed ,or average speed.
Max Speed: it means the maximum average speed based on the 10ms gap.
Speed definition: from the circuit breaker producer's speed definition or the country's standards , the average speed can be calculated from the S-t graph. V=△S/△t=HL/△t,HL is the distance gap,△t is the time gap.
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