Surge Protective Capacitors

Surge Protective Capacitors

We are Manufacturer & Exporter of Surge Absorbing / Protective Capacitor. This product is used to protect generator and heavy motor from intern fault. SHARDA’s surge protection capacitors are special types of capacitors. Its application is of a specialized nature i.e. in case of abnormal condition.

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The construction of this type of capacitor is like having one sheet of Polypropylene Film in which an upper part is metalized with aluminum (Al) or zinc (Zn) with standard thickness having 0.2μm.

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Customer Relationship Building - A Key to Our Success To our customers we offer a near endless stream of support. It is our goal to keep our customers up and running.

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Capacitors Manufacturers
 

Surge Absorbing / Protective Capacitor

 
Surge Capacitor
We are Manufacturer & Exporter of Surge Absorbing / Protective Capacitor. This product is used to protect generator and heavy motor from intern fault. SHARDA’s surge protection capacitors are special types of capacitors. Its application is of a specialized nature i.e. in case of abnormal condition. These capacitors are designed for protection of large rotating machines such as motors & generators. At the time of over voltage during electric storms produces surges to electrical equipment’s connected to system. The voltage stress between turns of multi turn coil sets a limitation and surge voltage causes breakdown between turn to turn insulation resulting in short circuited turns. To protect from this situation surge capacitors are used. These capacitor compliance with ISS std. 11548:1986.
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APPLICATION PRODUCT RANGE
• Protection of Motors and Generators against Inter-Turn fault.
• High voltage Surge & Cable fault finding.
• LAVT Panel.
• Protection against surges.
Rated Voltage 4 kV AC to 60 kV AC
Rated Capacitance 0.1 mFD to 0.5 mFD
No. of phase 1 Ph or 3 Ph
   
 
General rating requires for rotating machines
 
Machine Voltage  rating
(kV / r.m.s.)
Surge Capacitor Voltage rating
(kV / r.m.s.)
Capacitance
(µF)
Arrestor grounded
(kV / r.m.s.)
Arrestor effectively grounded
(kV / r.m.s.)
0.65 0.65 1.0 0.65/0.75 0.65/0.75
2.4 2.4 0.5 3.0 3.0
4.16 4.16 0.5 3.0 4.5
4.8 4.8 0.5 4.5 6.0
6.9 6.9 0.5 6.0 7.5
11.5 11.2 0.25 9.0 12.0
13.8 13.8 0.25 12.0 15.0
 
 
Technical Data Sheet
 
Sr. No. Description Technical Details
1 Reference Is   11548  -  1986
2 Temperature 50˚c
3 Frequency 50Hz
4 Connection 1f, 3f, D or U
5 Protection Internal , External Fusing
6 Maximum Voltage 110 %  Of  Rated Voltage
7 Rated  Output Highest System
Voltage kV
Surge Capacitor Voltage kV Capacitance Per Phase μFD (Microfarads)
3.6 6 0.5 and 0.5
7.2 12 0.25 and 0.5
12 18 0.25 and 0.5
24 28 0.25
36 40 0.125 &0.25
 
 
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