XZB-44kVA/22kV Variable Frequency Series Resonance Test Device



I.        Test Object and Test Requirements

1. AC withstand voltage test for 10kV/300mm2 cable with length of 1km, capacitance ≤0.3755uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.

II.        Working Environment

1.     Ambient temperature: -100C –500C;

2.     Relative humidity: ≤90%RH;

3.     Altitude:  ≤1000m;

III.        Main Technical Parameters and Functions of the Device

1.       Rated capacity: 44kVA;

2.       Input power: single-phase 220V or three-phase 380V voltage, frequency 50Hz;

3.       Rated high voltage output: 22kV;

4.       Output frequency range: 30-300Hz;

5.       Frequency adjustment step: 0.1Hz;

6.       Output voltage waveform: sine wave, waveform distortion rate ≤1%;

7.       Voltage regulation sensitivity: 1%;

8.       Measurement accuracy: voltage 1.0%, current 1.0%;

9.       Timing range: 0-99min;

10.      Protection function: overvoltage, overcurrent, zero-start, flashover, etc.;

11.      Display: LCD display, Chinese menu operation;

12.      Working power supply: AC 220V±10%, 50Hz;

13.      Weight: about 15kg;

14.      Dimensions: 400×300×200mm;

15.      Applicable standards: DL/T 849.6-2004, GB/T 16927.1-1997, etc.

IV.        System Composition and Configuration

1.       Variable frequency power supply: 1 set;

2.       Excitation transformer: 1 set;

3.       High voltage reactor: 2 sets;

4.       Capacitive voltage divider: 1 set;

5.       Internal connection cables: 1 set.

V.        Equipment List

1.       Variable frequency power supply: 1 unit;

2.       Excitation transformer: 1 unit;

3.       High voltage reactor: 2 units;

4.       Capacitive voltage divider: 1 unit;

5.       Test leads: 1 set.

VI.        Reference Standards

GB/T 16927.1-1997, DL/T 849.6-2004, DL/T 596-1996, GB 50150-2006, etc.

VII.        After-sales Service

1.       Free training on equipment operation and maintenance;

2.       One-year warranty, lifetime maintenance;

3.       24-hour technical support hotline.