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.




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BFM type HV Shunt Capacitor (with internal fuse )  





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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:How to judge the capacitor is good or bad?
10pF below the fixed capacitor capacity is too small, with a multimeter to measure, only qualitative check whether there is leakage, internal short circuit or breakdown phenomenon.
Q:Does the size of the capacitor affect the power consumption?
Capacitors are essential electronic components, it acts as a smoothing filter in the electronic equipment, power supply and decoupling, AC signal bypass, AC-DC circuit AC coupling, etc. Because the type of capacitor and the type of structure more
Q:Low voltage capacitor voltage 0.45 and 0.4 What is the difference between usage
0.45 capacitor used in the voltage level is high (for example, the transformer low voltage side voltage may reach 415V), with a tuned reactor (tuning reactor will increase the capacitor terminal voltage) situation; Note that the actual capacity of 0.45 capacitor nominal capacity (Actual voltage / 0.45) ^ 2 times;
Q:What is the principle of capacitance isolation?
The structure of the capacitor is two plates, separated by a layer of insulator, so under normal circumstances the capacitor is no current through (unless the middle of the insulation was breakdown).
Q:Why does the circuit current gradually decrease when charging the capacitor?
Why does the circuit current gradually decrease when charging the capacitor? Because the charge began to charge the capacitor, the capacitor two electrode plate charge began to zero, the electrostatic field is zero, the absorption of electrons is not exclusion, the performance of the phenomenon is the beginning of the charge when the circuit current is very large, with the capacitor The charging time increases, there will be more and more charge adsorption on the capacitor two electrode plates,
Q:What are the differences between capacitors and capacitors?
Capacitance, resistance, inductance is physical quantity. Capacitors, resistors, inductors are components that have a specific physical quantity (capacitance, resistance, inductance).
Q:Does anyone know the difference between the stray inductance of the capacitor and the parasitic inductance?
The stray inductance is represented by conductors in the circuit, such as connecting wires, component leads, element bodies, etc.
Q:Use capacitance to do transformer how to calculate
The principle of capacitor buck is not complicated. His working principle is to use the capacitor at a certain AC signal frequency to produce capacitive reactance to limit the maximum operating current. For example, in the 50Hz frequency conditions, a 1uF capacitance generated by the capacitive reactance of about 3180 ohms. When 220V AC voltage is applied to both ends of the capacitor, the maximum current flowing through the capacitor is about 70mA.
Q:How does the capacitor work? What does it do?
The other is the signal filter, that is, the case of alternating current, but also in the AC electrode polarity changes in the process of continuous charge and discharge, in order to AC, if not the capacitance of the two sheds with the amount of change, no matter how the AC can not pass.

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