MSXZ (f) -1000kVA/500kV frequency conversion resonance: This device is mainly designed and manufactured for AC withstand voltage testing of 35kV, 110kV, 220kV cables, 110kV, 220kV switches, transformers, insulators, 220kV main transformer neutral points, and 110kV main transformer line ends. It has a wide range of applications and is an ideal high-voltage testing equipment for local, municipal, and county-level high-voltage testing departments, as well as power installation and maintenance engineering units. The device mainly consists of a variable frequency power supply, excitation transformer, reactor, capacitive voltage divider, and compensation capacitor.

1. 220kV and below circuit breakers PT、CT、 Insulator, test frequency 30-300Hz, test voltage 500kV, test time 1min

2. 110kV/630mm ² cable 1km ≤ 0.201uF, test frequency 30-300Hz, test voltage 128kV, test time 60min

3. 110kV and below circuit breakers PT、CT、 Insulation, test frequency 30-300Hz, test voltage 270kV, test time 1min

4. 110kV main transformer terminal, capacitance ≤ 0.015uF, test frequency 45-65Hz, test voltage 160kV, test time 1min

5. 220kV/300mm ² cable 0.5km, capacitance ≤ 0.086uF, test frequency 30-300Hz, test time 60min

6. 35kV/630mm ² cable 3km, capacitance ≤ 0.76uF, test frequency 30-300Hz, test voltage 52kV, test time 60min

The main functions and technical characteristics of our company's frequency conversion resonance are:

1. It has protection functions such as overvoltage, overcurrent, zero start, and system detuning (flashover).

2. The weight and volume of the equipment are 1/10-1/30 of that of a regular testing device. The power required for the experiment is only 1/Q of the test capacity.

3. The device has three working modes: fully automatic mode, manual mode, and automatic tuning manual boost mode

4. Store and print data, with numerical numbers for easy identification and retrieval by users.

5. The starting point of the frequency during automatic frequency scanning of the device can be set arbitrarily within the specified range.

6. DSP platform technology can add or remove functions and upgrade according to user needs, making the human-machine exchange interface more user-friendly.

7. Improve the waveform of the output voltage.

8. Prevent large short-circuit currents from burning the fault point.

9. There will be no overvoltage recovery.