Self healing low voltage capacitor dry capacito

  Low voltage self-healing shunt capacitor
 
1
  Scope of application
 
This product specification is provided by Anhui Saifu Electronics Co
, Ltd
and is applicable to the power factor capacitors of AC power system with nominal voltage of 1000V and below and frequency of 15Hz ~ 60Hz
It is mainly used to improve power factor, reduce reactive power loss and improve voltage quality

 
 
 
3
  Normal operating and installation conditions
 
The service conditions of low voltage self-healing shunt capacitor are as follows:
 
3
1 residual voltage at input
 
The residual voltage when the capacitor is put into operation shall not exceed 10% of the rated voltage

 
3
2 altitude
 
The altitude of the installation and operation area shall not exceed 2000m

 
3
3 ambient air temperature category
 
The ambient air temperature category is - 25 / C
When the capacitor is put into operation, the ambient temperature is - 25 ℃, and the temperature is class C, that is, the operating temperature of the capacitor shall not exceed 50 ℃, the average temperature within 24 hours shall not exceed 40 ℃, and the average temperature within a year shall not exceed 30 ℃

 
The capacitor shall work under good ventilation conditions, and it is not allowed to work under closed and non ventilated conditions

 
 
4
  Main technical parameters and performance
 
4
1  Main technical parameters
 
4
1
1 rated voltage: 230VAC, 400VAC, 450VAC, 480vac, 525vac, 690vac, 750vac
Other voltages can be ordered specially

 
4
1
2 rated frequency: 50Hz or 60Hz

 
4
1
3 rated capacity: (1-60) kvar

 
4
1
4 capacity deviation: - 5% ~ + 10%, the ratio of the capacitance measured between any two line terminals in the three-phase unit to ≤ 1
08。
 
4
1
5 dielectric loss tangent: ≤ 0
0015（20℃）。
 
4
1
6 withstand voltage: 2
15un between poles, 2S; [pole shell 2un + 2KV or 3KV, whichever is higher] & times; 1
2，5 s。
 
4
1
7 allowable overvoltage: at 1
1un, it shall not exceed 8 hours every 24 hours; 1
15 UN, no more than 30 minutes every 24 hours; At 1
20un, it shall not exceed 5 minutes every 24 hours; At 1
30un, it shall not exceed 1 minute every 24 hours

 
4
1
8 allowable overcurrent: 1
3in
Considering the influence of harmonics, overvoltage and capacitance deviation, the transition overcurrent shall not exceed 1
43 in

 
4
1
9 self discharge characteristics: the capacitor is equipped with a discharge device, so that the residual voltage of the capacitor changes from - 2
5% within 3min after disconnecting the capacitor UN drops to 75V or below

 
4
2 executive standard: GB / t12747-2017, iec60831:2004

 
 
Outline and installation dimensions
 
 
Product process diagram
 
Company workshop
machinery equipment
Company recognition
 
 
Contact: Yin Liman , Mobile: 13305627125