Complete set of AC filter capacitor

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Complete set of AC filter capacitor


1. Introduction

Complete set of ACfilter capacitor in the power frequency system is used for filtering harmfulharmonic current in the power system to improve power quality and increasepower factor of system.


2. Structure

The complete set consists of AC filtercapacitor, filterreactor, disconnecting switch, earth switch, lightning rod, fuse protector, dischargecoil, current transformerinsulator, busbar and steel frame (Each can be set upon customer’srequirement)

The main methods of connecting wires are single star or double star, relay protection methods are open-delta voltage protection, differential current protection, differential voltage protection, neutral point unbalanced current protection and so on.

Capacitordischarge modes have discharge resistance (placed in the internal capacitors)and discharge coil.


3. Serviceenvironment

Installation site: Indoor, outdoor, plateau, moistheat, sordid place andso on

  Temperature: -40℃~+40




4. Technical parameters

Type

Rated voltage

kV

Total capacity

(kvar)

Capacity per unit

(kvar)

Connection mode

Outline dimension

(m)

Layout

Arrangement mode

TAL  10-1050/50AK

10

1050

50

Y

Open delta voltage

1.75x4.1x1.2

Indoor, single layer, single phase

TAL 10-2700/100AK

10

2700

100

Y

Open delta voltage

1.8x3.8x2.4

Indoor, double layers, single phase

TAL 10-3000/200AK

10

3000

200

Y

Open delta voltage

1.85x4.1x1.4

Indoor, single layer, single phase

TAL  10-13500/250BL

10

13500

250

Y-Y

Unbalance current at neutral point

9.6x1.5x2.7

Indoor, three layers

TAL 10-6000/250BL

10

6000

250

Y-Y

Unbalance current at neutral point

3x1.3x2.9

Indoor, three layers

TAL 35-12024/334BL

35

12024

334

Y-Y

Unbalance current at neutral point

2.2x4.4x3.6

Indoor, double layers, single phase

TAL 35-14400/300AK

35

1400

300

Y-Y

Unbalance current at neutral point

3.2x4.4x3.6

Indoor, double layers, single phase

TAL 110-10800/180BL

110

10800

180

Y-Y

Unbalance current at neutral point

9.5x3.5x6.2

Indoor, three layers, single phase

TAL 110-15180/230BL

110

15180

230

Y-Y

Unbalance current at neutral point

9.5x3.5x6.2

Indoor, three layers, single phase

5. Model coding





Endnotes No.:

First letter (Mainmode of connection)

A—Singlestar(Y)connection

B—Doublestar(Y—Y)wire connection


Second letter(Relayprotection)

C—Voltagedifferential protection

L—Unbalancedcurrent protection

K—Parallelport triangle voltage protection

Q—Bridgetype difference stream protection




Electrical schematic diagram

No.

Name

Code

1

Zinc oxide arrester

FV

2

Filter reactor

L

3

Filter capacitor

C

4

Current transformer

TA



Q:How does the capacitor work? What does it do?
The bypass capacitor is an energy storage device that provides energy to the local device, which can equalize the output of the regulator and reduce the load demand. Like a small rechargeable battery, the bypass capacitor can be charged and discharged to the device. To minimize the impedance, the bypass capacitor should be as close as possible to the load device's power supply pin and ground pin.
Q:What kind of capacitance can be divided into?
Capacitors are often called capacitors. According to its structure can be divided into fixed capacitors, semi-variable capacitors, variable capacitors three.
Q:Does anyone know the difference between the stray inductance of the capacitor and the parasitic inductance?
With the increase in stray inductance, IGBT turn-on loss will be reduced, the diode loss will increase. Stray inductance may also cause oscillations, such as oscillations caused by current mutations, which may result in limited device use due to EMI or overvoltage limits.
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: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 are the differences between capacitors and capacitors?
There is a capacitor is a unit of the capacitor is a substantial object ah
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: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:Use capacitance to do transformer how to calculate
Similarly, we can also 5W / 65V bulb and 1uF capacitor series connected to the 220V / 50Hz AC, the bulb will be lit, and will not be burned. Because the 5W / 65V bulb operating current is also about 70mA. Therefore, the capacitor buck is actually using capacitive current limiting. While the capacitor actually functions as a limiting current and dynamically distributes the voltage across the capacitor and the load.
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:

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