Profile:
The KDGK-HA circuit breaker dynamic characteristic tester is suitable for SF6 switches, GIS composite appliances, vacuum switches, and oil switches.
Features:
1.8.4-inch imported high brightness color large screen, clearly visible under sunlight, embedded operating system, Windows operating interface, intuitive interface, touch screen, convenient for on-site operators to use.
2. High speed thermal printer, convenient for on-site printing of test data.
3. Integrated operation power supply inside the machine, no need for on-site secondary power supply, convenient and fast on-site use. Can provide adjustable power supply of DC20-265V with a current of 20A. Set the operating voltage values of the opening and closing coils, and perform low voltage operation tests on circuit breakers.
4. Equipped with linear sensors, rotation sensors, universal sensors, brackets, and dedicated fixed multifunctional joints, easy and simple to install.
5. Recloser: the time of the closing closing, opening closing, and opening closing process of each break; Gold short time, no current time value.
6. Bounce: The closing bounce time, bounce frequency, bounce process, and bounce waveform of each fracture; The rebound amplitude value of each fracture opening.
7. Speed: rigid minute, rigid&speed, maximum speed, time travel characteristic curve.
8. Travel: total travel, opening distance, overtravel, overshoot, rebound amplitude value.
9. Auxiliary contact: It can measure the closing and opening time of auxiliary contacts.
10. Define speed: It is possible to add or remove speed definitions together.
11. Recalculation of speed: After completing an experiment, different speed definitions can be selected to recalculate the rigid opening and closing speeds without the need for further experimentation.
12. Action voltage: Integrated operating power supply inside the machine, no need for on-site secondary power supply, convenient and fast on-site use. Can provide adjustable power supply of DC20-265V, current of 20/30A. Set the operating voltage values of the opening and closing coils, and perform low voltage operation tests on circuit breakers.
13. Equipped with linear sensors, rotation sensors, universal sensors, brackets, and dedicated fixed multifunctional joints, easy and simple to install.
14. Suitable for SF6 switches, GIS composite appliances, vacuum switches, and oil switches produced domestically.
15. Activate the switch once to obtain data and graphics.
16. The host can store 6000 sets of current test data (expandable memory card), with a real-time clock inside for easy archiving.
17. Equipped with a USB interface, data can be directly saved to a USB drive and uploaded to a computer for analysis and storage.
18. It contains envelope lines and generates standard envelope lines based on the values tested by multiple (2-10) switches for analysis and comparison. It can also perform switch vibration frequency analysis.
19. The internal anti-interference circuit can meet the reliable use in 800KV substations.
Parameter:
1. Time measurement:
12 inherent opening (closing) times
Opening (closing) at different stages within the phase
Opening (closing) with different phases
Closing (opening) bounce time (number of bounces)
Internal trigger test range: 0.01ms~20s, resolution: 0.01ms
External trigger test range: 0.01ms~200s, resolution: 0.1ms,
Accuracy within 1000ms: 0.05% ± 1 word
2. Speed measurement: just opened (just closed) speed
Average speed during a specified time period (travel segment or angle segment)
3. Speed measurement range: 1mm sensor 0.01-25.00m/s,
0.1mm sensor 0.001-2.50m/s
360 ° angle sensor 1 cycle/0.5 °
4. Travel measurement: Travel of moving contact (travel)
Contact distance (opening distance)
Overtravel
Overstroke or reverse travel
5. Sensor measurement range:
50mm sensor: 0-50mm, resolution: 0.1mm
360 ° line sensor: 360 °, measurement range: 0-1000mm, resolution: 0.25 °
Optional sensors: 300mm, 1000mm, accelerometer, resolution: 0.1mm
6. Current range: Maximum current output is 30A, resolution: 0.01A.
7. Power supply: AC 220V ± 10%; 50Hz±2%
8. DC power supply: Output voltage: 30-265V continuously adjustable, DC110V: ≤ 30A (short-term), DC220V: ≤ 20A (short-term),
9. Measurement range of isolation switch:
⑴ Voltage output: DC30-265V (adjustable);
⑵ Power output time: 0.01-20 seconds (adjustable);
The maximum acquisition time for fracture signal is 20 seconds;
⑷ Measurable fracture closing and opening time, three-phase different periods, bounce time and frequency
10. Host volume: 380 × 280 × 170mm
11. Operating environment: -10 ℃~+50 ℃
12. Relative humidity: ≤ 90%