AC-Filter Capacitors

Notes

。Rated Voltage Levels (kV): 0.33, 0.45, 0.48, 0.525, 0.80
。Rated Capacity (kVar): 15~100
。Capacitance Tolerance (μF): 0~+3%
。Loss Tangent (tanδ): ≤0.1% (at Un 50Hz 20℃)

Detailed introduction

High Voltage Parallel Capacitor Application

In recent years, the rapid development of science and technology, power systems, a large number of rectifier, frequency conversion and large-scale power electronic equipment, and the ensuing harmonic pollution of the grid is becoming more and more serious, so that ordinary capacitors are easy to damage, in order to cope with the increasingly serious environment of the power grid our company has developed the AC filtering capacitor, AC filtering capacitor is a capacitor with greater resistance to current, which is connected in series with a reactor to produce resonance, with a low impedance channel to Absorption of high harmonics, to achieve the purpose of filtering harmonics, the product is also used as reactive power compensation.

 

High Voltage Parallel Capacitor Structural Features

1. The shell is made of high-quality cold-rolled steel plate and is welded by argon arc welding. The malleable iron shell is treated with iron printing for corrosion protection, and both sides are rolled and sealed.

2.The impregnating agent is non-toxic.

3.Built-in discharge resistor.

4.High-quality high-temperature metalized polypropylene film is used for the capacitor components.

5.The current density of the components is designed to be one-third of that of ordinary capacitors, greatly improving the current resistance capability.

 

High Voltage Parallel Capacitor  Main Technical Parameters

Rated Voltage Levels (kV): 0.33, 0.45, 0.48, 0.525, 0.80

Rated Capacity (kVar): 15~100

Capacitance Tolerance (μF): 0~+3%

Loss Tangent (tanδ): ≤0.1% (at Un 50Hz 20℃)

Phase to phase Withstand Voltage: 2.15Un 60s, without permanent breakdown or flashover

Phase to Shell Withstand Voltage: 2Un+2kV (for voltages below 3kV, use 3kV) 10s, without permanent breakdown or flashover

Max. Allowable Voltage: Can operate continuously at ≤1.75Un

Max. Allowable Current: Capacitors can operate long-term at 2.35ln; allowed to run for 4 hours at 3.21ln

Discharge Device: After disconnecting the power supply, the voltage drops to below 50V within 180 seconds.

 

High Voltage Parallel Capacitor  SPECIFICATION

SPECIFICATION RATED VOLTAGE
(kV)
Un
RATED CAPACITY
(kVAR)
Qn
RATED CAPACITY
(μF)
Cn
RATED CURRENT
(A)
In
HEIGHT(mm)/Figure
Steel sheet
Figure/HEIGHT(mm)
Tinplate
0.33-15-1 0.33 15 438.7  45.5  200/Figure 1 B/210
0.33-20-1 0.33 20 584.9  60.6  200/Figure 1 B/260
0.33-30-1 0.33 30 877.3  90.9  300/Figure 1 B/310
0.33-40-1 0.33 40 1169.8  121.2  350/Figure 1 C2/280
0.33-50-1 0.33 50 1462.2  151.5  450/Figure 1,
4 termianls
/
0.45-15-1 0.45 15 235.9  33.3  150/Figure 1 A/210
0.45-20-1 0.45 20 314.5  44.4  200/Figure 1 B/210
0.45-30-1 0.45 30 471.8  66.7  300/Figure 1 B/260
0.45-40-1 0.45 40 629.1  88.9  350/Figure 1 B/310
0.45-50-1 0.45 50 786.3  111.1  400/Figure 1 C/280
0.45-80-3 0.45 80 1258.2  177.8  350/Figure 2,
4 termianls
/
0.45-100-3 0.45 100 1572.7  222.2  400/Figure 2,
4 termianls
/
0.525-15-1 0.525 15 173.3  28.6  200/Figure 1 B/210
0.525-20-1 0.525 20 231.1  38.1  250/Figure 1 B/210
0.525-30-1 0.525 30 346.6  57.1  350/Figure 1 B/310
0.525-40-1 0.525 40 462.2  76.2  450/Figure 1 B/230
0.525-50-1 0.525 50 577.7  95.2  300/Figure 2 C/280
0.525-80-3 0.525 80 924.4  152.4  450/Figure 2,
4 termianls
/
0.525-100-3 0.525 100 1155.5  190.5  550/Figure 2,
4 termianls
/

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