HIVG 400KV-10KJ Impulse Voltage Generator

Mode: HIVG 400KV-10KJ

Related Standards: 
* IEC 60060-1-2010 High-voltage test techniques - Part 1: General definitions and test requirements
* IEC 60060-2-2010 High-voltage test techniques. Part 2: Measuring systems
* IEC 61083-1-2001 Instruments and software used for measurement in high-voltage impulse tests - Part 1: Requirements for instruments
* IEC 61083-2-1996 Digital recorders for measurements in high-voltage tests - Part 2: Evaluation of software
* ANSI/IEEE 4a-2001 Techniques of High-Voltage Testing
* ANSI/IEEE 376-1975 Measurement of Impulse Strength and Impulse Bandwidth
* ANSI/IEEE 1122-2007 Digit Recorders for Measurements in High-Voltage Impulse Tests
* ASTM D69-D2484 Electrical Insulation (Ⅰ)
* ASTM D2518-Latest Electrical Insulation (Ⅱ)

Application: 
The field of applications is mainly the industrial test facility; university lab and country HV research centers. The system can be used to generate impulse voltages simulating lightning strokes and switching surges. This Impulse voltage generator suitable for lightning impulse full wave, chopping wave, switching impulse test, inspect equipment’s impulse insulation level. The system can also be used for insulator’s impulse flashover test and insulator impulse characteristic research under nonuniform pollution.

400kV 10kJ Impulse voltage test system Layout Diagram:

Technical Parameters: 
1) Rated Voltage: ±400kV
2) Rated stage voltage: ±100kV
3) Rated charging voltage: ±100kV
4) Rated energy: 10kJ
5) Impulse total capacitance: 0.125μF
6) Stages: 4 stages
7) Stage capacitance: 0.5μF (Single set impulse capacitor 0.5μF/100kV, total 4 sets) Stage energy: 2.5kJ
8) Impulse voltage waveform parameter:
    a) Under the condition of Load capacitance:300~3000pF
    b) Standard lightning impulse voltage full-wave:
         T1=1.2μS±30%, T2=50μS±20%, oscillation at peak value less than 5% of amplitude
    c) Standard lighting impulse chopping wave
         Chopping time: 2~5uS, peak voltage deviation <3%
    d) This two impulse voltage waveform parameter and deviation meet the requirement of GB311and GB16927.
9) Minimum output voltage >10%Un
10) Synchronous range: stage voltage is between 20%~100% of rated voltage.
       Positive and negative polarity synchronous range less than 25%.
11) Synchronous discharge out of control rate <5%
12) Sparking range: 10%-100%Un
13) Charging voltage instability <±1.0%
14) Working time:
       When voltage above than 2/3 rated voltage, the system can continuous working each 120s (charging and discharging),
       When the voltage is below 2/3 of rated voltage, the system can continuous working each 60s (charging and discharging).

Principle Diagram: