• Complete set of  high voltage shunt capacitor System 1
Complete set of  high voltage shunt capacitor

Complete set of high voltage shunt capacitor

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Complete set of HV shunt capacitor


1. Introduction

Complete set of HV shunt capacitor is mainly for the increase of power factor in power frequency power system and the improvement of voltage quality, and the decrease of linelosses.

2. Service Environment

Altitude: less than1000m.

Highest temperature: -40℃~+40

Installation andoperation site shall be no conductivity and no explosiveness dust, no harmfulgases and steam, no ferocity mechanical shock.

Installation site:Indoor or outdoor


3. Structure

Complete set of shuntcapacitor consists of shunt capacitor, series reactor, discharge coil, oxidearrester, disconnecting earth switch. Shunt capacitor, lying down or standingon steel frame, is connected according to certain electrical requirement, the devicecan be transported as a whole or parts, easy to installation, and can be equippedwith security net as well as designed and produced in various combination ways uponcustomer’s request, dry type core series reactor is suitable for indoor.


4. Main technological performance

Capacitance deviation:the ratio between measured capacitance and rated capacitance per phase is notmore than 0~+0.5%, the ratio between max. capacitance and min. capacitance amongthree phase is not more than 1.02.

The device is ableto operate under 1.05 times rated voltage for a long time.

The device is ableto operate continuously when the root mean square value is not more than 1.3times rated current. The over current is caused by harmonics and over-voltage.





No.

Name

Code

1

Disconnector

QS/QG

2

Zinc oxide arrestor

FV

3

Dry core reactor

L

4

Discharge coil

TV

4

HV fuse

FU

4

Capacitor

C




8.1 Technical parameter for cabinet type shunt capacitor compensation device




8.2  Thechinal parameters for frame type shunt capacitor compensation device


Q:Does the size of the capacitor affect the power consumption?
The capacitance of the symbol is C. In the international unit system, the capacitance of the unit is Farah, referred to as the law, the symbol is F. a capacitor, if the battery with a library when the potential difference between the two is 1 volt, the capacitor capacitor is 1
Q:What is the phase-shifting capacitor, what is the difference between it and the general capacitor
The lower plate with a negative, so that the formation of potential difference between the two poles. And the positive charge does not move, only the negative charge - the electron will move, so the electrons along the plate along the wire, the power positive - negative move to the lower plate, so that the two plates will bring dissimilar charge. With the movement of electrons, the charge of the bipolar plate is more and more, the voltage is getting bigger and bigger, and the power supply potential difference is equal, it is full of electricity.
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:What is the difference between polyester film capacitors and ceramic capacitors?
Different components of the ceramic, its dielectric constant and temperature coefficient is different, the temperature coefficient range is wide, easy to make different temperature coefficient of the capacitor, used as a temperature compensation capacitor.
Q:What kind of capacitance can be divided into?
The paper dielectric is made of two pieces of metal foil, made of very thin capacitor paper, rolled into a cylindrical or flat cylindrical core, and then sealed in a metal shell or insulating material (such as paint, ceramics, glass glaze, etc.) production. It is characterized by a smaller size, capacity can be done bigger. But there are inherent inductors and losses are relatively large, suitable for low frequency.
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:How to use the capacitor
The sum of the DC voltage and the ripple peak voltage shall not exceed the rated operating voltage;
Q:On the ground resistance, what role the capacitor
High-frequency vibration elimination: the capacitor used in the high-frequency vibration circuit called high-frequency vibration capacitor, in the audio negative feedback amplifier, in order to eliminate the vibration may occur high-frequency self-excited, the use of this capacitor circuit to eliminate the amplifier Possible high frequency whistling
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: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;

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