HV Hipot went to Xiangyang to provide impulse voltage debugging for Xiangyang Power Supply Company

HV Hipot went to Xiangyang to provide impulse voltage debugging for Xiangyang Power Supply Company

In August, the after-sales technicians of HV Hipot went to Xiangyang. The purpose of this trip was to provide impulse voltage debugging services for Xiangyang Power Supply Company.
After arriving at the site, with the assistance and cooperation of the customer, the installation of the lightning impulse voltage generator will be carried out.

 

雷电冲击电压发生器

 

 

On-site debugging of GDCY-400kV lightning impulse voltage generator
On-site ball distance calibration: body ball distance calibration and chopper ball distance calibration (3000/200/measured)

工频耐压

局放仪

On-site running-in test: 30KV positive and negative polarity multiple tests (meet T1=1.2±30%/T2=50±20%us/TC=2 to 6us)

回路电阻测试仪

On-site strength test: rated voltage 80% output

 


On-site theoretical and operational training:
Customer practice – simulated test product test: 10KV power transformer
1. Full wave test

 


Test requirements: test voltage 75KV, waveform time T1=1.2±30%/T2=50±20%us
Field operation: using two-stage voltage output
On-site wave modulation:
Wave head resistance: 150Ω for the first level, 500Ω for the second level (2 1KΩ in parallel)
Wave tail resistance: 1st stage 45Ω, 2nd stage 45Ω
Test operation and waveform:
2. Cutoff test

 


Test requirements: test voltage 85KV, wave head time T1=1.2±30%, cut-off time TC=2 to 6us
Field operation: using two-stage voltage output
On-site wave modulation:
Wave head resistance: Level 1 75Ω, Level 2 500Ω (2 1KΩ in parallel)
Wave tail resistance: 1st stage 45Ω, 2nd stage 45Ω
Test operation and waveform:
After this series of training, the customer has an in-depth understanding of the whole set of equipment, which makes the customer more confident in the actual operation!


Post time: Aug-24-2022

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