Impulse Voltage Generator Lightning Impulse Test for Transformer, Switchgear, Circuit Breaker

• After-sales Service: Onsite commissioning
• Warranty: ONE Year
• Impulse Test: Impulse Voltage Test
• Impulse voltage grade: 300kV
• Impulse capacitance: 0.666µF
• Transport Package: Wooden Case
• Model NO.: GDCY-300/30
• Specification: SGS, ISO
• Trademark: HVHIPOT
• Origin: Wuhan, China
• HS Code: 9030339000
• Production Capacity: 500PCS/Year

Product Description

General Information

This impulse test system is used for carrying out full wave lightning impulse voltage tests on HV apparatus such as clearance, bushings, capacitors, switches, power transformers (capacity below 5000kVA), CT/PT at 35kV or below.


Specification
 

Nominal voltage	±300kV
Rated energy	30kJ(5kJ/stage)
Impulse capacitance	0.666µF
Number of Stage	3
Charging voltage per stage	±100kV
Rated level capacitance	2µF (each impulse capacitor 2µF at 100kV, total 3pcs)
Output voltage waveform	(Load capacitance is 300-3000pF) T1= 1.2µs±30%, T2=50µs±20%, peak voltage error≤3% standard lightning impulse voltage full wave.
Impulse voltage waveform parameters and error are accorded with national requirements of GB311.1 and GB16927.1 standard and IEC standard.
Output Voltage Efficiency	Standard lightning wave ≥90% when load capacitance is below 1000pF, standard lightning wave ≥85% when load capacitance is below 2000pF
Locking range	level voltage is within the range of 20%-100% of rated voltage, positive and negative locking range no less than 25%
Out-of-control rate of synchronous discharge	<5%
Min. output voltage	≥±10% of rated voltage
Instability of charging voltage	<±1.0%
Continuous time	Above 2/3 of rated voltage, continuous working when charge anddischarge once every 120s. Below 2/3 of rated voltage, continuous working when charge and discharge once every 60s.