HIVG 1500KV-78.75KJ Impulse Voltage Generator

Mode: HIVG 1500KV-78.75KJ

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)

Technical Parameters: 
1) Rated Voltage:±1500kV
2) Rated stage voltage:±150kV
3) Rated charging voltage:±150kV
4)Rated energy:78.75kJ                        
5) Each stage impulse capacitor: 0.07μF/200kV (1.4uF/75kV per pulse capacitor, overall 20units.)
6) Stages:10 stages
7) Stage energy:7.875kJ
8) Impulse voltage waveform parameter: 
     a) Standard lightning impulse voltage full-wave: 1.2±30%ms /50±20%ms,(1600kV)
         Amplitude: ±3%, oscillation at peak value less than 5% of amplitude
     b) Standard switching impulse wave: 250±20%ms /2500±60%ms (1200kV)
     c) Standard lightning chopping wave: chopping time: 2-6ms
     d) CVT standard lightning impulse wave:
          Wave head time: 1.2-8ms
          Wave tail time: 50±20%ms
     e) This two impulse voltage waveform parameter and deviation meet the requirement of GB311 and GB16927.
9) Minimum output voltage efficiency:
     Standard lightning impulse voltage full-wave≥90% (No test object)
     Standard lightning impulse voltage full-wave≥85%  (test object capacitance less than3000pF)
     Standard switching impulse wave≥65% (test object capacitance less than3000pF)
     Synchronous range: stage voltage is between 10%~100% of rated voltage.
     Positive and negative polarity synchronous range: less than 20%.
     Sychronous discharge out of control rate <2% (Within the range: 10%~100% of rated voltage )
10)Sparking range: 15%-100%Un
11) Minimum output voltage: ≥10% rated voltage.
12) Charging voltage instability <±1.0%
13) Deviation between charging voltage and reference voltage  <±1.0%
14) Working time:
       When voltage above than 70% rated voltage, the systems can continuous working each 120s (charging and discharging).
       When the voltage is below 70% of rated voltage, the system the system can continuous working (charging and discharging).
       Under Maximum charging voltage, minimum discharge time not less than 60s.
15) Generator overall height: 5320mm
16) Overall weight: 7600kg

Principle Diagram: