HV HIPOT GDTL series PD-Free AC Resonant Test System For Generators

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 year
• Model NO.: GDTL-225KVA/25
• Mass Scope of Workpiece: other
• Type: Universal Testing Machine
• Maxcapacity: other
• Accuracy Grade: 1
• Load Way: Electronic Load
• Loading Method: Dynamic Load
• Display: Digital
• Control: Manual Control
• Weight: 0-100Kg
• Power Source: AC380V
• Oil Cylinder Position: Under
• Tested object: Generator/Motor
• Rated capacity: 225kVA
• Rated voltage: 25kV
• Rated current: 9A
• Partial discharge amount: <5PC
• Accuracy: 1.55
• Transport Package: Standard Wooden Package
• Specification: ISO
• Trademark: HV HIPOT
• Origin: China

Product Description

I. Test Object and Requirement

The system is specially designed for PD-free AC withstand voltage test for electric generator, capacitance of single phase to ground is 0.4-1.2uF, test voltage is no more than 24kV.



II. Working Environment
 

1. Environmental temperature: -10ºC to 50ºC
2. Related humidity: ≤ 90% RH
3. Altitude: ≤ 1km

 

Product Parameters

III. Technical Data & Functions

 

1. Rated capacity: 225kVA
2. Input power supply: Single phase 380V; 50Hz
3. Rated voltage: 25kV
4. Rated current: 9A
5. Working Frequency: Power frequency 50Hz
6. Output voltage Waveform distortion rate: ≤0.5%
7. Working time: continuous working of 15min under rated load.
8. Temperature rise: ≤65K after continuous working of 15min under rated load
9. Quality factor: Q ≥10 
10. Accuracy: 1.5% (RMS)
11. Protective function: over-current, over-voltage and flashover protections for test object.
12. Partial discharge amount: ≤5PC

IV. Applied Standard

GB10229-88     Reactor
GB1094         Power transformers
GB50150-91     Standard for hand-over test of electric equipment installation engineering
DL/T 596-1996   Preventive test regulation of electric equipment
GB1094.1-GB1094.6-96   Protection class of Shell
GB2900                 Electrotechnical terminology
GB/T16927.1~2-1997     High voltage testing technique

V. Test Power Supply, L and Cx Relationship Table

Capacitance range of test object (Cx)	Adjustable range of reactor  (L)
0.4~1.2uF	8H~26H

Note: Cx is capacitance of test object.

PD-free AC power frequency withstand voltage test: adopts series resonant test device to make AC withstand voltage test and dielectric loss test for generator.

Reactor selection

Reactor	Rated capacitance (kVA)	Rated Voltage(kV)	Rated Current (A)	Capacitance range (uF)	Inductance range(H)
Adjustable reactor 1 set	225kVA	25kV	9A	0.4~1.2	8~26H

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