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HRYDXB(W)-1600kVA/800kV,2A
Frequency of Non-Partial Discharge series resonant tone AC voltage high voltage test sets of devices
Technology Agreement
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One. Name and Type of equipment.
HRYDXB(W)-1600kVA/800kV,2A Frequency of Non-Partial Discharge series resonant tone AC voltage high voltage test sets of devices.
Two. Usage.
For CT / VT / CVT (CT / PT / CVT) and other high-voltage electrical equipment partial discharge test and the AC voltage test, to meet the 500kV the CT / VT (PT) / CVT calibration of transformer, no local discharge test and the AC voltage withstand test. Single test sample relative to capacity 500～8800pF, the maximum test voltage of not more than 800kV.
Three. Working environment.
3.1 Environment temperature: -150C –+50 0C;
3.2 Relative Humidity: ≤95%RH;
3.3 Elevation height: ≤3500米；
3.4 Non-conduct electricity dust;
3.5 Maximum daily temperature gap: 25℃
3.6 Atmospheric pressure: 0.1Mpa
3.7 Atmospheric humidity：11g/m3
3.8 Earthquake intensity: ≤7级
3.9 The actual supply voltage sine wave, waveform distortion≤1%
3.10 There is a reliable grounding, grounding resistance<0.5?
3.11 No fire and explosion danger;
3.12 No Corrosion of metal and insulation presence of gas.
3.13 Use inside house,fixed.
3.14 Working frequency:50Hz
3.15 The entire package for the non-PD-type high voltage test equipment.
Four. Main functions.
4.1 Fixed capacity:1600 kVA；
4.2 Fixed input voltage:single voltage 380V,Frequency:50Hz;
4.3 The maximum fixed output voltage: 800kV;
4.4 The maximum fixed output current:AC 2A;
4.5 Fixed frequency:50Hz;
4.6 Waveform distortion rate: Output voltage waveform distortion ≤ 1%;
4.7 Work time:Fixed load allow continuous 30 minutes;over-voltage 1.1 times for one minute.
4.8 Temperature rose: continuous operation under rated load temperature rise after 30 minutes ≤ 50K;
4.9 Quality factors:equipment itself Q≥40(f=50Hz)；
4.10 Conservation functions:has over current, over voltage and flashover protection of product has been tested;
4.11 Measuring accuracy: The system RMS AC 1.0%。
4.12 the whole device Partial discharge: 800kV under ≤ 10pC, 85% UH partial discharge under no content.
4.13 Noise level: ≤65db
Five. Main deploy data
5.1 Non PD high-voltage excitation transformer HRJLB-50kVA/25 kV /0.4kV 1 stage.
a. Fixed capacity: 50kVA；
b. Input voltage:400V
c. Input current:125A
d. Output voltage:25kV
e. Flow current capacity: the 120% In the duration of three minutes rated current conditions case, the over-current to the windings should not cause thermal damage and winding deformation;
f. Folw voltage capacity: In 110% UH (55kV) over time under the sisty seconds voltage insulation should not cause any damage;
g. Work time:In 100% UN, IN beginning the next allowed to run from the ambient temperature for thirty minutes, winding temperature rise ≤ 50K, the oil surface temperature rise ≤ 50K.
h. Structure:oil type;core coil structure.
i. Weight:about four hunderd kg;
5.2 H.V test measurement control desk HRKZT-50kVA/380V(external induction regulator) one stage.
a. Fixed output capacity: 50kVA
b. Work voltage: 380±10%V（single），the frequency.
c. Output voltage: 0 – 450V，single,
d. Fixed input current:125A
e. Fixed output current:125A
f. Output wave type:sine wave
g. Voltage measuring accuracy: 0.5%
h. Work time:in fixed capacity,continue work thirty minutes.
i. In fixed capacity,continue work thirty minutes,components highest temperature ≤65K;
j. Noise level: ≤50dB
k. Platform body weight:80kg.
1. Have following functions:
Measuring control table functions:
According to control keys,the motor through the automatic voltage rise(down) and the air gap reactor regulation; table set, Voltage table (high voltage), Ampere table (input current and high voltage leakage current), over current, over-voltage protection, timing devices; power and opening and closing instructions; core limit bit instructions; regulator down and limit bit instructions; digital instrument can test high voltage breakdown during the automatic alarm, the voltage protection action and the data of memory.
Regulate voltage:electric power voltage regulator function. Regulator for the oil pressure regulator, leakage reactance is small,output waveform is good.
Regulator capacity: 50kVA,input voltage:380V,output voltage 450V.
Frequency regulate: electric control frequency regulate.
5.3 Non partical discharge H.V voltage regulator HRDK（T）-400kVA/200kV four knots.
a. Fixed capacity: 400kVA;
b. Fixed voltage: 200kV;
c. Fixed current:2A;
d. Inductance quantity: 300 ~ 1000H / single;
e. Quality factors：Q≥40 (f=50Hz)；
f. Over-voltage capacity: 110% UH (880kV) one minute under over-voltage, insulation should not cause any damage;
g. Over-current capacity:the rated current 120% In the duration of five minutes under working condition,over-current on the windings should not cause thermal damage and winding deformation;
h. Work time: In 100% UN, IN beginning the next allowed to run from the ambient temperature for thirty minutes, winding temperature rise ≤ 50K, the oil surface temperature rise ≤ 50K.
i. Structure:oil type,core coil structure, to a certain length of the openings within the core by adjusting the distance, thereby changing the reactance variation.
j. Weight:about one thousand and six hundred kg;
5.4 Non partical discharge H.V capacity divider HRCF-800kV one set
a. Fixed voltage: 800kV；
b. Capacity data: 200kV /10000pf；four knots
c. Over-voltage capacity: 110% UH (880kV) one minute under over-voltage, insulation should not cause any damage;
d. Structure:oil type, core coil structure, to a certain length of the openings within the core by adjusting the distance, thereby changing the reactance variation.
e. Weight:about four hundred kg;
6. Factory acceptance test
The following items, unless stated, the factory and on-site shall be carried out, the standard protocol by the relevant professional standards and regulations, transfer of factory test and field test results should be no substantive difference.
Before acceptance,should have equal capacity data tested product for full-capacity test load test. |
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No |
Test items |
Method of test |
1 |
Outward appearance check:no oil out,smooth surface without scars, no permanent deformation |
Eye check |
2 |
Seal test:have 0.02Mpa pressure，no change of pressure in twenty-four hous，no leakage of oil, no permanent deformation |
with a full-scale of 0.05MPa pressure gauge, pressure to 0.02MPa pressure through the compressor, the observed geometry and leakage condition. |
3 |
Winding DC resistance measurement |
Electric bridge measurements |
4 |
Exam insulation characteristics
1）Insulation resistance>1000MΩ
2）Absorptane（R60/R15）Determinate
3）Determination of dielectric loss factor
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Instrument preparation：
1）ZC-2500 Volt meter to measure hand-shake
2）Dielectric Loss Measurement of H.v Bridge
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5 |
Transformer oil test
1）Breakdown voltage electric strength test≥55kV
2) microscale water<10ppm
3）Dielectric loss factors≤0.3%(90℃)
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Transformer oil and transformer oil pressure meter measured physical and chemical analysis |
6 |
External applied voltage test |
Labor frequency voltage meter: low-voltage side-to-ground voltage 5kV/1min no abnormal discharge. |
7 |
Self-induced voltage test |
voltage regulator Method on the reactor were
200kV/sisty minutes、220kV/one minutes.
Non abnormal discharge. |
8 |
Waveform distortion measurement
<1%
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Oscilloscope measurement |
9 |
Noise measuring |
Measured with noise |
10 |
Load test |
According to the scene of the load side of the test sample or test at full load capacitance, the entire device to configure the device's technical performance to meet the above Article 5,"the main configuration parameters" requirements. |
11 |
Discharge test |
Bureau of the whole device under the 800kV heavy volume within the 10pC |
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7.(Instrument Accessories) |
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(One) deploy of equipment list |
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No |
Name of equipments |
Type and model |
Unit |
Count |
1 |
Excitation transformer |
HRJLB-50kVA/25kV,0.4kV |
Stage |
One |
2 |
Measurement Control desk |
HRKZT-50 kVA /0.38kV |
Stage |
One |
3 |
H.V Adjustable reactor |
H.V Adjustable reactor HRDK（T）-400kVA/200kV |
Stage |
Four |
4 |
H.V divider |
HRCF-800kV |
Set |
One |
5 |
Electric Induction regulator |
HRTDA-50kVA/400V/0~430V |
Set |
One |
6 |
Digital Industrial Frequency Peak-Voltmeter |
HR24 Accuracy：1.0 level |
Stage |
One |
7 |
Digital Partial Discharge Detecting Analytic System |
Digital Partial Discharge Detecting Analytic System HRJFD |
Set |
One |
8 |
Test line and affix |
Including an external power cord and internal wiring, all kinds of grading rings,base,etc. |
Set |
One |
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(Two) List of relevant resources |
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No |
Name of relevant resources |
单位 |
数量 |
备 注 |
1 |
Test report |
One |
One |
/ |
2 |
Instruction of equipment
（include debugoperation and maintenance aspects of the drawings）
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Set |
Two |
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3 |
Product licensed certification and users’ suggestion card |
Set |
One |
/ |
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Eight. After sale service
When this equipment arrival of shipment,the supplier is responsible for this wrap equipment scene debug and assists the consumer complete the first field test, and is responsible for equipment's operation and the personnel technical training.
The supplier to all products which provides implements the maintenance,in the warranty period of three years,repair fees is free if equipments is not broken by human.
Twenty-four hours service.The technical engineer will answer less than twenty-four hours,if needed,we will arrive to the users’ factory in fourty-eight hours.
9．Price to middleman
HRYDXB(W)-1600kVA/800kV,2A Frequency of Non-partial Discharge series resonant tone AC voltage high voltage test sets of devices (RMB:USD)
(test device points: Electric Control Type, and the computer are two types of measurement and control type)
Date of delivery: Fast time is fifty to sixty days……
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6000kVA/800kV Frequency of Non-partial Discharge series
resonant tone AC voltage high voltage test sets of devices
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