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Complete reactive power compensation device

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Product description

1 Overview
A device composed of high-voltage parallel capacitors, capacitor cabinets or metal frames, fuses, discharge devices, series reactors, pillar insulators, lightning arresters, isolating switches, grounding switches, circuit breakers and connecting busbars, is called high-voltage parallel capacitor devices (Hereinafter referred to as "device"), its performance meets the standards of GB/T 30841-2014 "General Technical Requirements for High Voltage Shunt Capacitor Devices" and GB50227-2017 "Design Specification for High Voltage Shunt Capacitor Devices".
2 use
It is mainly used for reactive power compensation in 6kV, 10kV and 35kV power frequency power systems to improve the power factor of the grid, reduce line losses, and improve voltage quality.
3 features
3.1 Safe and reliable.
3.2 Simple installation.
3.3 Easy to maintain.
3.4 Strong integrity.
4 technical data
4.1 Main parameters
4.1.1 There are various arrangements for high-voltage shunt capacitor devices. Only typical layout schemes are listed in this design and selection manual. The main parameters and dimensions of the device are shown in Table Appendix A and Figure Appendix B. The main wiring methods of the device are shown in Appendix C. , For user reference.
4.1.2 Device rated frequency: 50Hz
4.1.3 Number of device phases: 3 phases
4.2 Main performance
4.2.1 The loss tangent value of the capacitor in the device: full-film dielectric structure, not more than 0.0005.
4.2.2 Capacitance deviation of the device: The deviation between the measured capacitance of the capacitor bank in the device and its rated value shall not exceed 0~+5%. The ratio of the maximum value to the minimum value of any two-phase measured capacitance of the capacitor bank is not more than 1.02; the ratio of the maximum value to the minimum value of the measured capacitance of each series section is not more than 1.02.
4.2.3 The device allows long-term operation at 1.1 times the rated voltage.
4.2.4 The device allows long-term operation under steady-state overcurrent of 1.3 times the rated current caused by overvoltage and higher harmonics.
5 structure
5.1 The device installed indoors is a cabinet structure or a steel frame structure, and the device used outdoors is a steel frame structure.
5.2 Cabinet structure generally consists of incoming line cabinet, voltage transformer cabinet, capacitor cabinet and reactor cabinet. The cabinet body is made of high-quality cold-rolled thin steel plate and aluminum-zinc steel plate, which are processed and formed by advanced CNC machine tools. The surface is treated with acid washing and phosphate spraying process, and the cabinet body is beautiful.
5.3 The dielectric structure of the high-voltage shunt capacitor in the device is diarylethane impregnated all polypropylene film or benzyl toluene impregnated all polypropylene film type. The rated capacity of a single capacitor is 100kvar, 200kvar, 334kvar, 500kvar, etc.
5.4 When the rated capacity of a single capacitor in the device is less than 200kvar, the external fuse is used as the first level of protection for its internal failure. When the rated capacity of a single capacitor is ≥200kvar, the internal fuse is generally used as the first level of protection for its internal failure.
The external fuse is connected in series with the capacitor. When a part of the series section inside a certain capacitor breaks down, the fuse will act to quickly remove the faulty capacitor, effectively preventing the expansion of the fault.
The internal fuse is connected in series with the internal components of a single capacitor. Once the component fails, the fuse will blow and the faulty component will be cut off, allowing the rest of the single capacitor and the capacitor bank connected to the capacitor to continue to operate.
5.5 The discharge coil is connected in parallel in the capacitor circuit. When the capacitor is withdrawn from the grid, the remaining voltage on the capacitor can be reduced from √2Un to 50V or lower within 5s.
5.6 The zinc oxide arrester is connected in parallel on the line to limit the operating overvoltage caused by switching the capacitor bank.
5.7 Series reactors connected in series in the capacitor circuit can be pre- or post-installed to suppress the higher harmonics in the capacitor bank and limit the closing inrush current. When only used to limit inrush current, select the reactance rate from 0.1% to 1%; when used to suppress the 5th and above harmonics, select the reactance rate from 5% to 6%; when used to suppress the 3rd and higher harmonics , The reactance rate is 12%.
6 Meaning of symbols in model

The endnote number is represented by three capital letters, and the first letter represents the main wiring method, as shown in Table 1. The second letter indicates the relay protection mode of the capacitor bank, as shown in Table 2. The third letter indicates the occasion of use. Outdoors are marked with W, and indoors are not marked.

Table 1 The meaning of the first letter of the endnote

letter meaning

A

Single star

B

Double star

C

Three star

Table 2 The meaning of the second letter of the endnote

 

letter meaning

C

Voltage differential protection

K

Open delta voltage protection

Q

Bridge differential current protection

L

Neutral unbalanced current protection

Y

Neutral unbalanced current protection

Example: TBB35-10000/417ACW

Means: parallel capacitor device, device rated voltage 35kV, capacitor bank rated capacity 10000kvar, single capacitor rated capacity 417kvar, single star connection, voltage differential protection, installed outdoors.

7. Conditions of Use

7.1 Installation and use place: indoor or outdoor.

7.2 The altitude of the installation and operation site shall not exceed 1000m.

7.3 Temperature category: indoor -25/A outdoor -40/A.

7.4 Relative humidity: daily average not more than 95%, monthly average not more than 90%;

7.5 There is no gas or steam that is severely corrosive to metals, no conductive or explosive dust, and no severe mechanical vibration.

7.6 When the capacitor is put into operation, the residual voltage on its terminals should not exceed 10% of the rated voltage. If there are requirements under other conditions, please contact our company. Appendix A Parameter Table of High Voltage Parallel Capacitor Complete Device

Table 3 Main technical data of indoor cabinet type high voltage shunt capacitor complete set (capacitor vertical discharge)

Serial number Model

Rated voltage(kV)

Rated Capacity
(kvar)

Single capacity
(kvar)

Protection scheme Dimensions Drawing number

L

W

H

1

TBB6-600/200AK

6

600

200

External fault protection: quick break, over current, over voltage, loss of voltage
Internal fault protection: internal fuse + open triangle voltage protection (voltage differential protection)

1850

1500

2500

3

2

TBB6-1200/200AK

1200

200

2450

1500

2500

3

TBB6-1800/200AK

1800

200

2450

1500

2500

4

TBB6-2400/200AK

2400

200

3050

1500

2500

5

TBB6-3000/200AK

3000

200

3050

1500

2500

6

TBB6-3600/200AK

3600

200

3650

1500

2500

7

TBB6-4200/200AK

4200

200

3650

1500

2500

8

TBB6-4800/200AK

4800

200

4250

1500

2500

9

TBB6-1000/334AK

1000

334

1850

1500

2500

10

TBB6-2000/334AK

2000

334

2450

1500

2500

11

TBB6-3000/334AK

3000

334

2450

1500

2500

12

TBB6-4000/334AK

4000

334

3050

1500

2500

13

TBB6-5000/334AK

5000

334

3050

1500

2500

14

TBB6-6000/334AK

6000

334

3650

1500

2500

15

TBB6-1200/400AK

1200

400

1850

1500

2500

16

TBB6-2400/400AK

2400

400

2450

1500

2500

17

TBB6-3600/400AK

3600

400

2450

1500

2500

18

TBB6-4800/400AK

4800

400

3050

1500

2500

19

TBB6-5000/417AK

5000

417

3050

1500

2500

20

TBB6-6000/500AK

6000

500

3050

1500

2500

21

TBB6-5000/417AC

5000

417

3650

1500

2500

4

22

TBB6-6000/500AC

6000

500

3650

1500

2500

23

TBB10-600/200AK

10

600

200

1850

1500

2500

3

24

TBB10-1200/200AK

1200

200

2450

1500

2500

25

TBB10-1800/200AK

1800

200

2450

1500

2500

26

TBB10-2400/200AK

2400

200

3050

1500

2500

27

TBB10-3000/200AK

3000

200

3050

1500

2500

28

TBB10-3600/200AK

3600

200

3650

1500

2500

29

TBB10-4200/200AK

4200

200

3650

1500

2500

30

TBB10-4800/200AK

4800

200

4250

1500

2500

31

TBB10-1000/334AK

1000

334

1850

1500

2500

32

TBB10-2000/334AK

2000

334

2450

1500

2500

33

TBB10-3000/334AK

3000

334

2450

1500

2500

34

TBB10-4000/334AK

4000

334

3050

1500

2500

35

TBB10-5000/334AK

5000

334

3050

1500

2500

36

TBB10-6000/334AK

6000

334

3650

1500

2500

37

TBB10-1200/400AK

1200

400

1850

1500

2500

38

TBB10-2400/400AK

2400

400

2450

1500

2500

39

TBB10-3600/400AK

3600

400

2450

1500

2500

40

TBB10-4800/400AK

4800

400

3050

1500

2500

41

TBB10-5000/417AK

5000

417

3050

1500

2500

42

TBB10-6000/500AK

6000

500

3050

1500

2500

43

TBB10-5000/417AC

5000

417

3650

1500

2500

4

44

TBB10-6000/500AC

6000

500

3650

1500

2500

45

TBB10-8000/334AC

8000

334

4850

1500

2500

46

TBB10-10000/417AC

10000

417

4850

1500

2500

Note: Figure 3 shows the open delta voltage protection, and Figure 4 shows the voltage differential protection.

 

Table 5 Main technical data of indoor frame type high voltage shunt capacitor complete set

Serial number Model

Rated voltage(kV)

Rated Capacity
(kvar)

Single capacity
(kvar)

Protection scheme Dimensions Drawing number

L

W

H

1

TBB6-600/200AK

6

600

200

External fault protection: quick break, over current, over voltage, loss of voltage
Internal fault protection: internal fuse + open triangle voltage protection (voltage differential protection)

3000

2000

2700

5

2

TBB6-1200/200AK

1200

200

3500

2000

2700

3

TBB6-1800/200AK

1800

200

3500

2000

2700

4

TBB6-2400/200AK

2400

200

4000

2000

2700

5

TBB6-3000/200AK

3000

200

4000

2000

2700

6

TBB6-3600/200AK

3600

200

4500

2000

2700

7

TBB6-4200/200AK

4200

200

4500

2000

2700

8

TBB6-4800/200AK

4800

200

5000

2000

2700

9

TBB6-1000/334AK

1000

334

3000

2000

2700

10

TBB6-2000/334AK

2000

334

3500

2000

2700

11

TBB6-3000/334AK

3000

334

3500

2000

2700

12

TBB6-4000/334AK

4000

334

4000

2000

2700

13

TBB6-5000/334AK

5000

334

4000

2000

2700

14

TBB6-6000/334AK

6000

334

4500

2000

2700

15

TBB6-1200/400AK

1200

400

3000

2000

2700

16

TBB6-2400/400AK

2400

400

3500

2000

2700

17

TBB6-3600/400AK

3600

400

3500

2000

2700

18

TBB6-4800/400AK

4800

400

4000

2000

2700

19

TBB6-5000/417AK

5000

417

4000

2000

2700

20

TBB6-6000/500AK

6000

500

4000

2000

2700

21

TBB6-5000/417AC

5000

417

4500

2000

2700

6

22

TBB6-6000/500AC

6000

500

4500

2000

2700

23

TBB10-600/200AK

10

600

200

3000

2000

2700

5

24

TBB10-1200/200AK

1200

200

3500

2000

2700

25

TBB10-1800/200AK

1800

200

3500

2000

2700

26

TBB10-2400/200AK

2400

200

4000

2000

2700

27

TBB10-3000/200AK

3000

200

4000

2000

2700

28

TBB10-3600/200AK

3600

200

4500

2000

2700

29

TBB10-4200/200AK

4200

200

4500

2000

2700

30

TBB10-4800/200AK

4800

200

5000

2000

2700

31

TBB10-1000/334AK

1000

334

3000

2000

2700

32

TBB10-2000/334AK

2000

334

3500

2000

2700

33

TBB10-3000/334AK

3000

334

3500

2000

2700

34

TBB10-4000/334AK

4000

334

4000

2000

2700

35

TBB10-5000/334AK

5000

334

4000

2000

2700

36

TBB10-6000/334AK

6000

334

4500

2000

2700

37

TBB10-1200/400AK

1200

400

3000

2000

2700

38

TBB10-2400/400AK

2400

400

3500

2000

2700

39

TBB10-3600/400AK

3600

400

3500

2000

2700

40

TBB10-4800/400AK

4800

400

4000

2000

2700

41

TBB10-5000/417AK

5000

417

4000

2000

2700

42

TBB10-6000/500AK

6000

500

4000

2000

2700

43

TBB10-5000/417AC

5000

417

4500

2000

2700

6

44

TBB10-6000/500AC

6000

500

4500

2000

2700

45

TBB10-8000/334AC

8000

334

5000

2000

2700

46

TBB10-10000/417AC

10000

417

5500

2000

2700

 

Table 6 Main technical data of outdoor frame type high-voltage shunt capacitor complete set (reactor stack)

Serial number Model

Rated voltage(kV)

Rated Capacity
(kvar)

Single capacity
(kvar)

Protection scheme Dimensions Drawing number

L

W

H

1

TBB6-600/200AKW

6

600

200

External fault protection: quick break, over current, over voltage, loss of voltage
Internal fault protection External fuse (internal fuse) + open triangle voltage protection (voltage differential protection)

4000

3000

4000

7

2

TBB6-1200/200AKW

1200

200

4000

3000

4000

3

TBB6-1800/200AKW

1800

200

4000

3000

4000

4

TBB6-2400/200AKW

2400

200

4000

3000

4000

5

TBB6-3000/200AKW

3000

200

4500

3000

4000

6

TBB6-3600/200AKW

3600

200

4500

3000

4000

7

TBB6-4200/200AKW

4200

200

4500

3000

4000

8

TBB6-4800/200AKW

4800

200

4500

3000

4000

9

TBB6-1000/334AKW

1000

334

4000

3000

4000

10

TBB6-2000/334AKW

2000

334

4000

3000

4000

11

TBB6-3000/334AKW

3000

334

4500

3000

4000

12

TBB6-4000/334AKW

4000

334

4500

3000

4000

13

TBB6-5000/334AKW

5000

334

4500

3000

4000

14

TBB6-6000/334AKW

6000

334

4500

3000

4000

15

TBB6-1200/400AKW

1200

400

4000

3000

4000

16

TBB6-2400/400AKW

2400

400

4000

3000

4000

17

TBB6-3600/400AKW

3600

400

4500

3000

4000

18

TBB6-4800/400AKW

4800

400

4500

3000

4000

19

TBB6-5000/417AKW

5000

417

4500

3000

4000

20

TBB6-6000/500AKW

6000

500

4500

3000

4000

21

TBB6-5000/417ACW

5000

417

4500

3000

4000

8

22

TBB6-6000/334ACW

6000

334

4500

3000

4000

23

TBB6-6000/500ACW

6000

500

4500

3000

4000

24

TBB10-600/200AKW

10

600

200

4000

3000

4000

7

25

TBB10-1200/200AKW

1200

200

4000

3000

4000

26

TBB10-1800/200AKW

1800

200

4000

3000

4000

27

TBB10-2400/200AKW

2400

200

4000

3000

4000

28

TBB10-3000/200AKW

3000

200

4500

3000

4000

29

TBB10-3600/200AKW

3600

200

4500

3000

4000

30

TBB10-4200/200AKW

4200

200

4500

3000

4000

31

TBB10-4800/200AKW

4800

200

4500

3000

4000

32

TBB10-1000/334AKW

1000

334

4000

3000

4000

33

TBB10-2000/334AKW

2000

334

4000

3000

4000

34

TBB10-3000/334AKW

3000

334

4500

3000

4000

35

TBB10-4000/334AKW

4000

334

4500

3000

4000

36

TBB10-5000/334AKW

5000

334

4500

3000

4000

37

TBB10-6000/334AKW

6000

334

4500

3000

4000

38

TBB10-1200/400AKW

1200

400

4000

3000

4000

39

TBB10-2400/400AKW

2400

400

4000

3000

4000

40

TBB10-3600/400AKW

3600

400

4500

3000

4000

41

TBB10-4800/400AKW

4800

400

4500

3000

4000

42

TBB10-5000/417AKW

5000

417

4500

3000

4000

43

TBB10-6000/500AKW

6000

500

4500

3000

4000

44

TBB10-5000/417ACW

5000

417

4500

3000

4000

8

45

TBB10-6000/334ACW

6000

334

4500

3000

4000

46

TBB10-6000/500ACW

6000

500

4500

3000

4000

47

TBB10-8000/334ACW

8000

334

4500

3500

4000

48

TBB10-10000/417ACW

10000

417

4500

3500

4000

 

Table 7 Main technical data of outdoor frame type high voltage shunt capacitor complete set (reactor placed flat)

Serial number Model

Rated voltage(kV)

Rated Capacity
(kvar)

Single capacity
(kvar)

Protection scheme Dimensions Drawing number

L

W

H

1

TBB6-600/200AKW

6

600

200

External fault protection: quick break, over current, over voltage, loss of voltage
Internal fault protection External fuse (internal fuse) + open triangle voltage protection (voltage differential protection)

5000

3500

3500

9

2

TBB6-1200/200AKW

1200

200

5000

3500

3500

3

TBB6-1800/200AKW

1800

200

5000

3500

3500

4

TBB6-2400/200AKW

2400

200

5000

3500

3500

5

TBB6-3000/200AKW

3000

200

5000

3500

3500

6

TBB6-3600/200AKW

3600

200

5000

3500

3500

7

TBB6-4200/200AKW

4200

200

5000

3500

3500

8

TBB6-4800/200AKW

4800

200

5000

3500

3500

9

TBB6-1000/334AKW

1000

334

5000

3500

3500

10

TBB6-2000/334AKW

2000

334

5000

3500

3500

11

TBB6-3000/334AKW

3000

334

5000

3500

3500

12

TBB6-4000/334AKW

4000

334

5000

3500

3500

13

TBB6-5000/334AKW

5000

334

5500

3500

3500

14

TBB6-6000/334AKW

6000

334

5500

3500

3500

15

TBB6-1200/400AKW

1200

400

5000

3500

3500

16

TBB6-2400/400AKW

2400

400

5000

3500

3500

17

TBB6-3600/400AKW

3600

400

5000

3500

3500

18

TBB6-4800/400AKW

4800

400

5000

3500

3500

19

TBB6-5000/417AKW

5000

417

5500

3500

3500

20

TBB6-6000/500AKW

6000

500

5500

3500

3500

21

TBB6-5000/417ACW

5000

417

5500

3500

3500

10

22

TBB6-6000/334ACW

6000

334

5500

3500

3500

23

TBB6-6000/500ACW

6000

500

5500

3500

3500

24

TBB10-600/200AKW

10

600

200

5000

3500

3500

9

25

TBB10-1200/200AKW

1200

200

5000

3500

3500

26

TBB10-1800/200AKW

1800

200

5000

3500

3500

27

TBB10-2400/200AKW

2400

200

5000

3500

3500

28

TBB10-3000/200AKW

3000

200

5000

3500

3500

29

TBB10-3600/200AKW

3600

200

5000

3500

3500

30

TBB10-4200/200AKW

4200

200

5000

3500

3500

31

TBB10-4800/200AKW

4800

200

5000

3500

3500

32

TBB10-1000/334AKW

1000

334

5000

3500

3500

33

TBB10-2000/334AKW

2000

334

5000

3500

3500

34

TBB10-3000/334AKW

3000

334

5000

3500

3500

35

TBB10-4000/334AKW

4000

334

5000

3500

3500

36

TBB10-5000/334AKW

5000

334

5500

3500

3500

37

TBB10-6000/334AKW

6000

334

5500

3500

3500

38

TBB10-1200/400AKW

1200

400

5000

3500

3500

39

TBB10-2400/400AKW

2400

400

5000

3500

3500

40

TBB10-3600/400AKW

3600

400

5000

3500

3500

41

TBB10-4800/400AKW

4800

400

5000

3500

3500

42

TBB10-5000/417AKW

5000

417

5500

3500

3500

43

TBB10-6000/500AKW

6000

500

5500

3500

3500

44

TBB10-5000/417ACW

5000

417

5500

3500

3500

10

45

TBB10-6000/334ACW

6000

334

5500

3500

3500

46

TBB10-6000/500ACW

6000

500

5500

3500

3500

47

TBB10-8000/334ACW

8000

334

5500

4000

3500

48

TBB10-10000/417ACW

10000

417

5500

4000

3500

49

TBB20-12000/500ACW

20

12000

500

 

6500

6500

4000

11

50

TBB35-4000/334AKW

35

4000

334

7500

5500

4000

51

TBB35-6000/334ACW

6000

334

7500

5500

4000

52

TBB35-8000/334ACW

8000

334

7500

6000

4000

53

TBB35-10000/417ACW

10000

417

8000

6000

4000

54

TBB35-12000/500ACW

12000

500

8000

6500

4000

55

TBB35-20000/417ACW

20000

417

8000

7000

4000

56

TBB35-30000/500ACW

30000

500

8000

7000

4000

57

TBB35-40000/417AQW

40000

417

9000

7000

4000

58

TBB35-60000/500AQW

60000

500

9000

7000

4000

 

Figure 1

Figure 2

Figure 3

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Shangyu Power Capacitor is a manufacturing company specialized in reactive power compensation and improving the power factor of the power grid.

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Chengnan Industrial Function Zone, Dongguan Street, Shangyu District, Shaoxing City

Shaoxing Shangyu Power Capacitor Co., Ltd.  All Rights Reserved  浙ICP备05060358号-1   www.300.cn