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

Suntech Power Group is one of the largest Procurement, Engineering & Contracting Group companies in China.Our group branch company and factory have already engaged

in the field of electric power more than 26 years.

1.Steel structure industry especially steel towers and related products which include power towers and substation structures, telecommunication towers and related products of telecom sites, street light poles and so on.

2.Transmission line stringing tools and equipments,undergroud cable pulling tools incuded Stringing Blocks,Hoisting Tackles,Cable Rollers,Conductor Gripper,Gasoline Powered Winch,Hydraulic Puller Tensioner,Gin Poles,Inspection Trolleys and other rated machines.

3.Power fittings,transmission insulators and wires and cables included Suspension insulator,glass insulator,porcelain insulator,aluminum conductor steel reinforced,all aluminum alloy conductor,aluminum clad steel strand, aerial bounded cable,power cable,holding clamp,pulling clamp with pulley,arch plates,connector pipes and rated fittings.

And our branch company Ningbo Suntech Power Machinery Tools Co.,Ltd. as a professional global supplier

who have been exporting more than 90 countries in the world, we have been trying to focus on the comprehensive solutions like provides all related products and engineering services as client's requirement, for example from engineering consultant, design services, drawing services, manufacturing, transportation, supervision and even installation construction & maintenance services.

Insisting on business philosophy of “To be honest, To get win-win” and service concept of pursuing maximizing customer value , makes it win great reputations from both telecommunication operators and electricity power operators,we are willing to develop and share sucess with you.