Dynamic Characteristics of Circuilt Breaker Test Instrument
I.Introduction
The High-Voltage Circuit Breakers Test Instrument is designed to meet the need of testing High-Voltage Circuit Breakers . It takes the ARM7 unit for core to sample, process and then output; the main characteristic is that it’s operated in alt.
This dynaic characterisitics of circuit breaker test instrument has many advantages such as intelligence, multi-function, accurate data, strong anti-jamming, easy operation, small size, beautiful appearance, etc.
It can test different Circuit Breakers ,such as: indoors or outdoors Circuit Breakers with less oil or more oil, vacuum Circuit Breakers, SF6 Circuit Breakers and so on.
1．12 contacts’ closing time and opening time
2． Reclosing time
3．Opening or closing’s asynchronism
4．Springing time or springing times
5．Clearance between open contacts/gaps, over-travel, over-shoot and springback
6．Speed at instant of contacts touching (separating)
7．Opening (Closing) max speed
8．Opening (Closing) average speed
9．Display and Print V-S curve
10．Operating current curve
III.Technical specifications
| 1 | Time measurement range | 6000ms, resolution 0.1ms |
| 2 | Time measurement error | <1%RDG+0.2ms |
| 3 | Speed measurement | Range 2m/s resolution 0.01m/s max error<0.1m/s
Range 20m/s resolution 0.01m/s max error<0.2m/s |
| 4 | Travel measurement | Range 50.0mm resolution 0.1mm max error<1%RDG+0.1%FS
Range 300.0mm resolution 1mm max error<1%RDG+0.1%FS
Range 600.0mm resolution 1mm max error<1%RDG+0.1%FS |
| 5 | Coil current measurement range | 20.00A, resolution 0.01A, error 2%+0.2%FS |
| 6 | Closing resistance value measurement range | 100~10000ohm, error: 5%RDG |
| 7 | DC Power out | DC30V~250V/20A (instantaneous) |
| 8 | Power supply | AC220V±10% 50Hz±10% |
| 9 | Temperature | -10~40°C humidity: <80% |
Spares of CBA-2 Dynamic Characteristics Test Instrument
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High Voltage Circuilt Breaker Test Equipment For Dynamic Characteristics Analysis Images
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