GDFR-300P Weak Damped Capacitive Divider

• After-sales Service: Yes
• Warranty: 1 year
• Standard wave: +/-300kV
• HV arm normal capacitance: 400PF
• Voltage ratio: 1000:1
• Transport Package: Standard Export Wooden Box
• Model NO.: GDFR-300P
• Specification: ISO, SGS
• Trademark: HV Hipot
• Origin: Wuhan, China

Product Description

GDFR-300P Weak Damped Capacitive Divider 


General information

It is used for measuring the output voltage carrying on impulse voltage test for standard lighting impulse voltage wave, wave operation on air gap, insulator group, bushing, power transformer and transformers.

Environment Condition
 

1. Altitude height: ≤1500m
2. Temperature: -20ºC~+40ºC
3. Relative Humidity: ≤90%
4. Maximum daily temperature difference: 25ºC
5. Working environment: Indoor
6. No-conductive dust
7. Earthing Resistance: ≤0.5Ω
8. No fire and explosion danger
9. Seismic ability: 8 levels of intensity
10. There is no corrosive metals and insulating gas.
11. Power source waveform is sine wave, waveform distortion rate < 5%

Specifications

Main Parameter

Damped capacitive Divider is one stage impulse capacitor. Damped resistance adopts multi-stage non-conductive distribute type and capacitive divider is non-conductive structure.

Type: GDFR-300P
 

1. Standard wave: ±300kV
2. Standard operation wave: ±300kV
3. Standard operation impulse voltage: 250μs±20%/2500μs±60%
4. Standard lightning impulse voltage: 1.2μs±30%/50μs±20%
5. HV arm normal capacitance: 400pF
6. LV arm normal capacitance: 0.4μF
7. Part response time: Tα≤100nS
8. Overshoot: β≤20%
9. Scale factor uncertainty: Kε≤±1.5%
10. Voltage ratio: 1000:1
11. Structure: oil type and movable, compose by voltage sharing ring, body, movable base.
12. Cooling: oil cooling
13. Over-voltage capacity: continuously run every 120s charge and discharge one time above 110% rated voltage. Continuously run below 100% rated voltage and should not result in damage on any insulation of capacitor.
14. Temperature rise: At the normal operation and working, winding resistance temperature rise≤65K, oil temperature rise≤55K.
15. Cooling mode: ONAN
16. Structure: The insulation shell is winding by epoxy glass. Insulation tube surface coated insulation paint and coating should have strong waterproof in case that insulation shell change the electric field distribution on the surface and reduce the electric strength affected by moisture.
17. Voltage sharing ring and mobile chassis are supplied.