I. Application:
This equipment is mainly used for part of the 35kV voltage level for power products such as transformers, power transformers (5000KVA/10KV), high voltage circuit breakers, cables accessories, products for power frequency voltage withstand test and partial discharge test and research pilot.
II. Working Conditions:
Altitude: ≤ 2500m
Temperature: -15ºC ~ +45ºC
Relative humidity: ≤90%RH
III. Standard
JB/T9641-1999 .........…Test Transformer
GB/T.311.1-1997 ......…Insulated high-voltage transmission and distribution equipment and cooperation
GB/T 16927.1-1997 ......…HV Test TechnologyCharter 1
GB/T 16927.2-1997.........HV Test TechnologyCharter 2
GB7328-87............…Transformer and reactor sound levels measured
GB/7354-2003 .........…PD Test
GB/T509-1991 .........…Power Transformer Test Rule
GB2536-1990............Transformer Oil
GB7252-87.........Transformer oil dissolved gas analysis and assessment guidelines
JB8749-1998............General requirements for voltage regulator
EN60060-1, EN60060-2, EN61326-1, EN62061-1, EN61010-1, EN61010-2-010
VI. System main parameters
1.Power supply: 220V±10V, 50HZ
2.Rated Capacity: 10kVA
3.Output Voltage: 100kV
4.Output current: 100mA
5.Input Voltage: 200V, current: 50A
6.Operation time: 30mins@100% rated voltage and current.
Continuous working@ 2/3 rated voltage and current.
7. Wave form distortion rate:<3% when voltage regulator input voltage distortion rate<3%.
8.PD value: ≤5pC @ 100% rated voltage
9.Control mode: fully automatic computer control
V. Equipment composition
| Sr no |
Name of Commodity |
Model number |
Qty(unit) |
| 1 |
PD Test Transformer |
YDQW-A1-10KVA/100KV |
1 |
| 2 |
PD Test Control unit |
10kVA/220V |
1 |
| 3 |
Power Isolation Filter |
10kVA/200V |
1 |
| 4 |
PD Coupling Capacitor |
100kV/500pF |
1 |
| 5 |
Current Limit Resistance |
100kV/5K |
1 |
| 6 |
Calibrator |
JZF-9 or JZF-10 |
1 |
| 7 |
Input unit |
3# |
1 |
| 8 |
PD Analyzer |
JF-124 |
1 |
| 9 |
Supporting connecting wires |
-- |
1 set |
| 10 |
User's manual/calibration |
-- |
1 set |
1.PD Test Transformer 10KVA /100KV/200V
1. Rated capacity: 10kVA
2. Output voltage:0- 100 kV
3. Input voltage: 200V ±10%
4. PD Volume under rated voltage ≤ 5PC
5.Output Current: 100mA
6. Phase: Single Phase
7. Voltage accuracy: AC 1.5%
- Power supply distortion: <3%
9. Dielectric medium: SF6
10.Size: Ф360*1100mm
11. Weight: 85kgs
2.Control unit 10kVA/200V
1)Advantage:
New generation of industrial embedded PC, controlled by high-performance hardware and software; Touch screen operation mode.
The console adopts two modes of automatic and manual control. The two functions are managed independently and level by level without interference with each other;
Full Chinese interface, simple and clear operation and wide application;
All test parameters of the test system can be set arbitrarily according to requirements, with simple and clear operation, smooth test speed and clear and intuitive display data;
All test parameters can be set in advance to achieve a series of functions of accurate memory, storage and reset of high voltage discharge breakdown voltage; Automatic scanning time setting, automatic storage of time, voltage, current and other detailed records in the process of electrical aging, which is convenient for users to view;
The manual / automatic control of the test system is
equipped with cumulative timing function, and can start,
pause and reset independently;
The combination of hardware and software
anti-interference technology has stable performance
and strong anti-interference.
2)Parameter:
| 1 |
Mode |
Auto control |
| 2 |
Rated voltage |
AC 220V, 50Hz |
| 3 |
Capacity |
10kVA |
| 4 |
Output voltage |
0-250V |
| 5 |
Voltage accuracy |
±0.5% |
| 6 |
Current accuracy |
±0.5% |
| 7 |
Display |
17" control machine |
| 8 |
Operation |
Auto & manual |
| 9 |
Storage |
1000 groups |
| 10 |
Password |
Multi level permission setting |
| |
6 protections for safety |
| 1 |
LV voltage protection |
LV current protection |
| 2 |
HV voltage protection |
HV current protection |
| 3 |
HV over-voltage protection |
HV flashover protetion |
| |
Software operation interface |
| 1 |
Operation status transition information prompt |
During automatic test, 5-stage test can be setted |
| 2 |
Automatic output report review, data and graphics |
Protection status prompt |
| 3 |
Voltage and time curve |
Display of working status of primary circuit |
| 4 |
485 connection port |
|
3)Power Isolation Filter (10KVA) 10kVA/200V
1.Input Voltage:200V±10%
2.Output voltage:200V±10%
3. Rated Capacitance:10KVA
4. Resistance voltage: ≤5%
5. Unload loss: ≤5%
5. Reduction Character:10KHz~100KHz ≥20dB; 100KHz~30MKHz ≥60dB
6. PD level:Q≤ 5PC under rated voltage
7. Size:400 × 350 × 450mm
8. Weight:60Kg
4.PD Coupling Capacitor 100kV/500pF
1.Capacitance: 500pF
2.Coupling Capacity: 100KV
3.PD Volume:≤ 5PC @100% rated voltage, ≤3pc@80% rated voltage
4.Voltage ratio: 1000/1
5.Dielectric loss: <0.5%
6.Measurement accuracy: 1%
7.Equipotential shielding: 1 unit
8.Size: Height 1100mm, Ф80mm
9.Weight: 15kgs
5.Current Limit Resistance, 100kV/5K
1.Rated voltage:100KV
2.Frequency: 50Hz
3.Rated current: 0.1A
4.Height: 650mm, Ф60mm
5.Weight: 4.5kgs
6.Calibrator
1. Output charge position: 5 PC, 10PC, 50PC
2. Polarity: positive and negative alternation
3. Repetition frequency: 1.2KHz
4. Frequency range: >±100Hz
5. Pulse rise time: <100ns
6. Pulse fall time: >100us
7. Injection capacitance: 10PF, 100PF
8. Capacitance error: Ec ≤ ±4%
9. Square wave voltage amplitude error: Eu ≤ ±4% (50PC position)
10. Correction charge error: Eq=(Eu2+Ec2)1/2 ≤±5%
11. Battery: 6F22 9V
12.Size: 160 x 125 x 50mm
13.Weight: 0.5kg
7.Input unit
1.Tuning range: 400-6000pF
2.Size: 140 x 110 x 90mm
3.Weight: 1.0kg
PD Analyzer
Feature:
1. large scale integrated circuit make the tester more stable and accurate..
2. large-screen CRT, the screen area to work effectively 100 × 80mm, can be clearly observed discharge waveform.
3. with A, B, C three-channel test interface, more convenient testing.
4. using double-header shows the amount of discharge, both figures table shows PC value, while another pointer header shows PC value, the pointer table can be divided into linear and logarithmic instructions.
5. Low noise, high detection sensitivity, wide capacitance coverage area
6. Small size and light weight make it easy to carry.
Main technical index:
1.Testing scope: 6PF - 250uF
2.Sensitivity: 0.02PC
3.Amplifier band:
(1) low-end: 10KHZ, 20KHZ, 40KHZ optional
(2) high-end: 80KHZ, 200KHZ, 300KHZ optional
4.Amplifier adjustment:
6 coarse grade, 20db each grade;
scope of fine-tune> 20db.
5.Time window:
(1) Window Width: 15 - 150°Adjustable
(2) Window Position: Each window can be rotated 0 -170°
(3) 2 windows can be opened separately or simultaneously.
6.Discharge scale:
(1) Analog Meter: logarithmic scale 1-10-100, error<5%
linear scale 0-1000 Error<5% (based on full-scale meter)
(2) Digital Header: 3.5 LED shows 0-100, error<5%
7.Elliptical:
(1) Frequency 50HZ, 100HZ, 150HZ, 200HZ, 400HZ
(2) Elliptical rotation: 30°each grade, it can be used for 120°rotation
(3) Display: Oval - straight line
(4) high-frequency input voltage:13V-275V, power:<1VA
8.Testing Voltmeter:
(1) Range: 100KV (expandable)
(2) Display: 3.5 digital voltmeter instructions
(3) Accuracy: 5%
9. Power supply: 220V
10.Size:460*420*260mm
11.Weight:16KG
VI. Connection sketch
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