High Voltage Shunt Capacitor

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Product Description:


HV Shunt Capacitor



1.         Application


HV shunt capacitor is applied in power frequency power system above 1kV in order to increase power factor of the system, improve voltage quality and reduce line losses.




2.         Service environment

Normal service conditions

Installation site: indoor, outdoor, plateau, dump and hot , foal land, etc.

Ambient temperature-40~+45


3.         Model coding




4.         Structure


Capacitor consistsof enclosure and core. Enclosure is made of full automatic welding stainlesssteel plates, and is welded high-strength hydraulic type bushings on the upper cover. The capacitor is filled with high-isolation electrical liquid medium of C101 type from France inside.


Core is made up bycomponents and insulation. The solid medium of components selects doublecoarsening polypropylene film from Finland, polar plate uses ultrathin aluminumfoil, the structure of folding and protuberant foil improves partial dischargelevel.


Some high-capacity products can be equipped with internal fuses; the new structure of internalfuses makes the products more reliable.


The products with internal discharge resistor adopts high quality HV glass glaze resistor to decrease the residual voltage of capacitor from2Un to below 50V within 5min after switch off.




BAM type HV Shunt Capacitor (without internal fuse )





BAM type HV Shunt Capacitor (with internal fuse )



BFM HV shunt capacitor (without internel fuse)







HV Shunt Capacitor for electrified railway (without internal fuse)






BFM type HV Shunt Capacitor (with internal fuse )  





HV Three phase shunt capacitor










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Q:Why some Y capacitor is very small, and some Y capacitor is very large?
In line between the line of fire and zero line suppression capacitor, commonly known as X capacitance. As the location of the capacitor connection is also more critical, the same need to meet the relevant safety standards. X capacitance is also one of the safety capacitors. According to the actual needs, the capacitance value of the X capacitor is larger than the capacitance of the Y capacitor. However, it is necessary to connect a safety resistor in parallel with the X capacitor to prevent the charging and discharging of the power supply line.
Q:Capacitance can pass high frequency resistance low frequency principle
This process of current flow will soon end, the specific length of time and the resistance of the circuit and the size of the capacitor, the larger the size of the product the greater the charging time, the shorter the contrary. After charging is complete, the voltage across the capacitor is equal to the size of the DC supply voltage
Q:What is the use of capacitors?
As a passive component of the capacitor, its role is nothing more than the following; applied to the power circuit, to achieve bypass, decoupling, filtering and energy storage role, the following classification:
Q:Low voltage capacitor voltage 0.45 and 0.4 What is the difference between usage
0.45 and 0.4 capacitors are capacitors that rated the line voltage of 0.45kV and 0.4kV; they are suitable for 380V voltage systems, the difference lies in their pressure rating;
Q:What is the difference between the reactor and the capacitor?
Reactor is the inductance ah, usually magnetic components plus winding wound, storage of magnetic field energy, the capacitor is stored in the electric field energy.
Q:Is the capacitor attached to the carbon foil positive?
The above-mentioned positive and negative electrodes are wound around their central axis, and the core of the aluminum electrolytic capacitor is formed. Then, the core is placed in an aluminum shell and the aluminum electrolytic capacitor is formed.
Q:How to identify high voltage capacitors is good or bad
There is a series in 220v AC power inside, see if the light bulb can be normal light. Determine if the capacitor has capacity. Whether the initial test is normal.
Q:What is the phase-shifting capacitor, what is the difference between it and the general capacitor
Assuming a capacitor has upper and lower poles, the upper plate is connected with the positive pole, the lower plate is connected with the negative electrode, connected with the power source, the potential difference between the two plates is formed, and the potential difference between the two electrodes is equal,
Q:Cd capacitance to express what
Mainly used in high voltage, high current and high pulse circuit, such as buffer, energy converter, switching power supply, inverter and inverter protection circuit, especially for IGBT, SCR, Darlington line For absorption capacitors.
Q:What is the difference between the power capacitor and the complement?
Wiring, three-phase complementary capacitor has three terminals, respectively (A, B, C) sub-capacitor has four terminals, respectively, then

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