Ultra Light Power Frequency Testing Transformer , AC Withstand Voltage Test Set , Portable Type

I. Product Description

CQSB series ultra light power frequency testing transformer is mainly used for power frequency AC o r DC voltage withstand test for HV electrical equipment,electrical components,insulation materials by electrical power system, industrial and mining enterprises,transportation,scientific research units,especially for field handover,overhauling and preventive field test of small and medium
power electrical equipment. it works at power frequency50/60Hz. The HV booster can adopts SF6 insulation or oil insulation or epoxy resin insulation .

II. Applications:

• Power frequency AC o r DC voltage withstand factory test for sorts of HV electrical equipment,components,insulation materials
• Field handover,overhauling and preventive field test for medium and small electric power equipment.
• AC voltage withstand test for short cable
• Power frequency voltage withstand source of insulating tools and insulating boot(gloves)
• AC test for switchgears, transformers, motors.etc; widely used for electrical test at various factories and institutes.

III. Types OF HV booster

• Oil immersed testing transformer
• SF6 inflatable testing transformer
• Dry-type testing transformer
• Optional FKDK type dry reactor with compensation current or voltage

IV. Universal Control Functions

1. SF6 gas insulation on HV booster
2. Microprocessor controlled
3. Digital Display
4. High Accuracy
5. High Resolution;
6. Auto Timing
7. Fully Protections
8. Alarm
9. Auto Timing

V. Main components of one set

• Voltage regulation control cabinet,
• Testing transformer

VI. Optional Accessories:

• Compensation inductor,
• Voltage Divider( For accuracy measurement output voltage)
• Rectification silicon stack(for changing AC voltage to DC voltage),
• Protective resistance (for short-circuit or breadown protection),
• Discharging rod (for adsorbed residual voltage discharge),
• Protective sphere gap(for discharge protection in the test circuit during voltage rising),
• Microammeter,etc (for accuracy measurement leakage current during DC voltage rising)

​VII. Technical Specifications:

1. Output: made by order, sine wave,
2. Capacity: made by order
3. Timing range: 0-999S
4. Voltage measure accuracy:≤1.5% (F.S)+3 bites
5. Currency measure accuracy:≤1.5% (F.S)+3 bites
6. Duration: 5 minutes at rated capacity
7. Input voltage:AC220V±10% 50/60Hz±1
8. Ambient temperature:－8℃～50℃
9. RH:85%, No dew
10. Sea level above: 1000 meter or below