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HZJ & HZJZ Oil

Type Testing Transformer

t

Huazheng Electric Manufacturing (Baoding) Co., Ltd

Summary of Contents for HZJ

Page 1: ...HZJ HZJZ Oil Type Testing Transformer t Huazheng Electric Manufacturing Baoding Co Ltd ...

Page 2: ...al and operate and maintain the instrument according to the manual to prolong its service life Just a light press the test will be completed automatically is the operating characteristics of this instrument If you are satisfied with this instrument please tell your colleagues if you are not satisfied with this instrument please call 0312 6775656 to tell you to serve you at all times Baoding Huazhe...

Page 3: ...Hipot Control Unit 8 HZTC HV Hipot Control Unit 10 I Outline 10 II Main Characteristics 10 III Panel Introduction 11 IV Technical Parameter 12 V Connection Wire Sketch Drawing Of It And High Voltage Test Transformer 12 VI Manual Explanation 13 VII Usage And Maintenance 13 VIII Supplementary Explanation 14 IX Electrical Schematic Diagram 15 Packing List 16 ...

Page 4: ...er cylindrical type low voltage winding in inner high voltage winding in outside Outer cover is portable which has characteristics such as volume smallness weight light the shape prettiness and move convenience and so on III Principle Of Work Connecting the control unit it is the supplementary equipment of test transformer detailed see the explaining book with work frequency 220V above 10KVA with ...

Page 5: ... input Ratio Tempera ture raised 30 minute V A HZJ 1 5 1 5 50 30 200 7 5 500 10 HZJ 3 3 50 60 200 15 500 10 HZJ 5 5 50 100 200 25 500 10 HZJ 10 10 50 200 220 380 50 26 500 10 HZJ 20 20 50 400 380 53 500 10 HZJ 30 30 50 600 380 79 500 10 HZJ 40 40 50 800 380 105 500 10 HZJ 50 50 50 1000 380 132 500 10 HZJ 5 5 100 50 200 25 1000 10 HZJ 10 10 100 100 200 380 50 26 1000 10 HZJ 20 20 100 200 380 53 100...

Page 6: ...00 200 1000 500 400 2000 10 HZJ 250 250 200 1250 500 500 2500 10 HZJ 30 30 250 120 380 79 2500 10 HZJ 50 50 250 200 380 132 2500 10 HZJ 100 100 250 400 380 263 2500 10 HZJ 150 150 250 600 500 300 2500 10 HZJ 200 200 250 800 500 400 2500 10 HZJ 250 250 250 1000 500 500 2500 10 Note 100KVA and the above input voltage may enhance to 3000V or proposed by the users 2 Technical parameters of HZJZ altern...

Page 7: ...0 50 70 1000 100 380 132 500 10 HZJZ 5 5 100 140 100 50 200 380 25 1000 10 HZJZ 10 10 100 140 200 100 380 50 26 1000 10 HZJZ 20 20 100 140 300 100 380 53 1000 10 HZJZ 30 30 100 140 400 100 380 79 1000 10 HZJZ 40 40 100 140 600 100 380 105 1000 10 HZJZ 50 50 100 140 1000 100 380 132 1000 10 V Test Wiring 1 Wiring schematic drawing of the alternating current work frequency pressure test Explanation ...

Page 8: ...le pressure not to combination capacitance in stead of potentiometer it should read value of the high pressure voltage exactly and it is very intuitionistic 2 3 When the direct current is leaked the microampere meter may direct readout the value of the direct current pressure test 2 4 Complete the direct current leak may carry out direct current pressure test directly without taking out stitches 2...

Page 9: ...ontrol unit will provide power to the primary test winding at the same time the end and crust of primary high frequency voltage winding touches the floor the head will be connected with high frequency voltage s end and its crust of the secondary test transformer The primary series excitation switch provides power to the secondary low frequency voltage excitation winding The same principal can be a...

Page 10: ...h control unit as for how to use control unit please see Operation Manual of Control unit 2 Screening wire should be applied into the direct current test to avoid straying leakage After test discharge rod is applied to release the restored electricity 3 The end of high frequency voltage filtering capacitance should be connected with the ground wire together with crust of control unit to connect wi...

Page 11: ...n for sample object HV transformer and main control box first 2 Please discharge the sample object if the sample object is a capacitive equipment 3 Please make connection for tester and sample object according to figure 3 4 Please make power connection for main control box 5 Confirm the high voltage value in withstand 6 Setting the protection value of current by the pointer on the over current pro...

Page 12: ...he value set on the panel of the over current relay the tester would cut off the power supply of HV transformer immediately It is said the test result is failure 12 If the timer display value reach the set value the tester would have a sound alarm to inform operator that the withstand time is ok If the tester has not start the over current protection unit before sound alarm it is said the test res...

Page 13: ...peration and conveniently maintenance This series control station is consists of touch type voltage adjustor and circuit on control measure and signal After goes through work frequency power 230V 400V adjust the output voltage of voltage adjustor namely the input voltage of test transformer then accept the required test high voltage the pressure value which is tester which work principle is as the...

Page 14: ... Panel Introduction Series Controller 10KVA If the capacity of main control box is over 10KVA the panel of the main control box is as following 1 HV voltmeter KV 2 LV ammeter A 3 Over current protection setup ...

Page 15: ...20V 380V 13 Output 0 250V 430V 14 Meter 15 Grounding IV Technical Parameter Model Power Output Phase Value Voltage V Frequency HZ Voltage V Current A HZTC 10 1 2 230 400 50 250 430 28 16 3 HZTC 15 2 380 50 430 23 3 HZTC 20 2 380 50 430 32 6 HZTC 30 2 380 50 430 46 5 HZTC 50 2 380 50 430 69 8 V Connection Wire Sketch Drawing Of It And High Voltage Test Transformer ...

Page 16: ...orking signal light will turn off but the Zero Signal Light will turn on 6 This equipment is installed with over current protection Over current relay should be chosen when you get the data by examination But the relay always is setting to be 80 of the rated data When it look a little over loaded please reset it according to the loaded current to guarantee the safety of this equipment During the v...

Page 17: ...dly slow When the required voltage of increasing voltage is coming don t press the button forever it d better loose a little press and loose by turns During the voltage decreasing press the button of decreasing voltage until charcoal brush back to zero then the zero signals light is on you can press the button of stop Finally shut off the general switch air switch 3 Panel drawing of control statio...

Page 18: ...15 IX Electrical Schematic Diagram ...

Page 19: ...16 X Packing List No Item Qty 1 Main engine 1 2 Control Box 1 3 Power line 1 4 Test line 1 ...

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