150kV High Capacity PD Free AC High Voltage Test Set

I. Working Environment

Altitude: ≤2000m

Ambient temperature: -15 ℃ ~ +40 ℃

Maximum daily temperature difference: ≤ 25 ℃

Air relative humidity: ≤ 90% (20 ℃)

Resistance to seismic capacity: ≤ 8 level

Ground level acceleration 3.0m / s

Vertical acceleration of the ground 1.5m / s 2

The waveform of the power supply voltage is the actual sine wave, the waveform distortion rate is less than 3%

With a reliable grounding point, grounding resistance <0.5ω>

Installation location: indoor and outdoor

II. Overall Technical Parameters

Rated capacity: 150KVA

Input voltage: 380V ± 10%

Output voltage: 0-150KV

Output current: 1000mA

Voltage accuracy: AC 1.5%

Power distortion: <3%>

III. System composition and functional characteristics

1, inflatable high pressure test transformer HZQW150KVA / 150KV / 400V

2, Free PD control regulator console CZT-150KVA / 380V (supporting test cable)

3, Free PD discharge coupling capacitor OWF-150KV / 1000PF

4, Free PD protection resistor BR-150KV / 5KΩ

5, isolation filter GLB-150KVA

This set of test system consists of a test console, an inflatable no partial high voltage test transformer, a coupling capacitor and protection resistor, a set of isolation filter, the whole system has complete overvoltage, overcurrent protection and reliable, With the characteristics of small interference. And with the following characteristics:

a, the system uses an inflatable (SF6) Free PD test transformer. Because of the high insulation and arc extinguishment of SF6 gas, its corona and local mass can be controlled in a small range, still can remain silent at the rated voltage, which can help to distinguish the discharge sound of the test object. And a single light weight, 50% lighter than oil-immersed, small size, no oil, high precision process. Applicable to field and laboratory. Convenient to apply.

b, the operating voltage continuously adjustable, withoutwaveform distortion .

c, with zero function, voltage limit, lower limit, overcurrent, over-voltage breakdown protection.

d, alarm sound and light tips

e, the end of the test, back to zero

IV. Inflatable Free PD Control Test System

1, Free PD control test transformer HZQW-150KVA / 150 KV

Rated capacity: 150KVA Input voltage: 380V ± 10%

Output voltage: 0-150KV rated voltage system under the amount of ≤ 8PC

Output current: 1000mA Voltage accuracy: AC 1.5%

Power distortion: <3% insulation="" medium:="" sf6="" gas="">

Dimensions: OD: 600mm, 1.6 meters high Weight: 380Kg

Gas pressure: + 0.3MPa running time ≤ 10min

Impedance voltage ≤6% No-load loss ≤6%

2, electric voltage regulator console

Rated capacity: 150KVA

Input voltage: 380V ± 10% Output current: 250A

Output voltage: 0-430V Weight: 220Kg

Dimensions: 1100mm × 750mm × 1200mm

a, the console for the dedicated high voltage without partial control test voltage regulator and console, with a start, stop button; digital voltage, ammeter instructions, time relay control time and alarm.

b, the operating voltage continuously adjustable, without waveform distortion.

c, with zero function, voltage limit, lower limit, overcurrent, over-voltage breakdown protection.

d, alarm sound and light tips

e, the end of the test, back to zero,

3, isolation filter transformer: 150kVA, 1 PCS

The main structure for the isolation transformer and off-wave device, can effectively remove the power supply in the clutter and a variety of dry.

Input voltage: 380V ± 10% Output voltage: 380V ± 10%

Rated capacity: 150KVA no-load loss ≤ 5%

Impedance voltage ≤5% Weight: 180Kg

Attenuation effect: 10KHZ-100KHZ ≥ 20db

100KHZ-30MKZ≥60db

Dimensions: Length 600mm * Width 300mm * Height 650mm

4, coupling capacitor FRC-150kV

Rated voltage: 150kV

Rated capacitance: 1000pF

Dielectric loss: ≤0.2%

Insulation level: 120% rated voltage 1min no exception

Discharge performance: withstａnd the rated voltage discharge current role, shall not be damaged.

Nominal ratio: 1000: 1

Partial discharge: 99% rated voltage ≤ 5pC, test time is 30min

Structure: C1 for the epoxy tube shell oil-paper insulation structure of the capacitor; low-pressure arm selection of temperature coefficient, the frequency coefficient and high-pressure arm of the same material, low-pressure arm end for the partial discharge signal sampling.

The base has sufficient stability, can adjust the level, demolition, easy to install, and equipped with brake casters easy to move Coupled Capacitor divider can be coaxial shield measurement cable leads to intelligent peak table

Measure the high voltage side voltage (peak table purchase separately).

The voltage divider can also be used as a coupling capacitor for the measurement of partial discharge.

System measurement error: ≤ ± 1.5% (measured at 50Hz)

5, XLR-150KV / 8K no PD protection resistor

Dimensions: diameter 60mm * length 1000mm

Weight: 15kg

Supporting test cable, shield, shielded wire and so on