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



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Q:What is the relationship between capacitance and voltage?
The larger the capacity of the capacitor, the larger the voltage, the smaller the capacity (uF). Since q = Cu, q is the current charge number of the capacitor, which is substantially proportional to the volume of the capacitor
Q:What is the difference between the power capacitor and the complement?
In fact, in the case of three-phase imbalance, but also a total complement and sub-all have, the three-phase power factor, respectively, 0.53,0.67,0.71, then, in the 0.71 above this part, The reactive power required by the other parts of the two phases is compensated by tipping.
Q:Capacitance can pass high frequency resistance low frequency principle
When the negative half of the alternating current arrives, it will generate the current, first offset the original charge on the capacitor that the opposite charge, continue to charge to full.
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: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:How does the capacitor work? What does it do?
Straight to pass on the circuit need to pass the AC signal, power supply filter, cut off DC and other places to use. Capacitor charge and discharge is the basis of other properties. There are two kinds of filtering, one is the power filter, which is more obvious charge and discharge, can be seen as a container.
Q:What is the difference between polyester film capacitors and ceramic capacitors?
Polyester capacitor medium for the polyester film, its capacity and pressure range, small size, large capacity, high temperature, low cost. But tgδ with the frequency changes, it is used for tgδ, stability and loss requirements are not high occasions, such as DC and pulsating circuit.
Q:What is the capacitor, what is the use, where is there?
In the electronic technology, used to consider the wave, phase, straight, bypass, frequency, etc. Almost all of the electronic products, household appliances are the following are some of the capacitor shape.
Q:Cd capacitance to express what
Using polypropylene film as a medium, with a special electrode to the cylindrical core connected into a series structure, the core wrapped plastic tape, both ends with flame retardant epoxy resin package. With a small self-inductance, equivalent series resistance is low, loss is small, high insulation resistance, good frequency characteristics and can withstand high voltage, high current impact and other characteristics.
Q:What is the electrolytic capacitor inside?
Electrolytic capacitor features three: the price than other types have overwhelming advantages, because the composition of electrolytic capacitors are common industrial materials, such as aluminum and so on.

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