HVTest HTFZ-III Manual Download Page 5 | Manualshive

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Contents

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II Technique Parameters

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III Check method & principle

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IV Operation method

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VI Packing List

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Summary of Contents for HTFZ-III

Page 1: ...anual You can find the changes in the appendix Sorry for the inconvenience If you have further questions welcome to contact with our service department The input output terminals and the test column may bring voltage when you plug draw the test wire or power outlet they will cause electric spark PLEASE CAUTION RISK OF ELECTRICAL SHOCK Company Address T4 No 41 High tech 2 Road East Lake High tech D...

Page 2: ...er relevant subassembly to damage In order to avoid possible danger this product can only be used within the prescribed scope Only qualified technician can carry out maintenance or repair work To avoid fire and personal injury Use Proper Power Cord Only use the power wire supplied by the product or meet the specification of this produce Connect and Disconnect Correctly When the test wire is connec...

Page 3: ...quire information about the ratings Do Not Operate without Covers Do not operate this product when covers or panels removed Use Proper Fuse Only use the fuse with type and rating specified for the product Avoid Touching Bare Circuit and Charged Metal Do not touch the bare connection points and parts of energized equipment Do Not Operate with Suspicious Failures If you encounter operating failure d...

Page 4: ... Security Terms Warning indicates that death or severe personal injury may result if proper precautions are not taken Caution indicates that property damage may result if proper precautions are not taken ...

Page 5: ...5 Contents I Principle 7 II Technique Parameters 8 III Check method principle 8 IV Operation method 10 V Notes 12 VI Packing List 12 ...

Page 6: ...ay cause corrosion of the internal components or other causes that the monitor counter cannot operate normally and the leakage current indication is inaccurate So regulation regulation should check lightning arrester monitor once a year The reliability of counter operation is very important to the power system It is an important parameter to record the lightning strike times of arrester in normal ...

Page 7: ...ent is 100A 8 20μs impact current Because there is some voltage drop on R1 and these will increase residual voltage of arrester the instrument is mainly used for HV arresters above 40kV Figure 1 b shows circuit diagram of JS 8 type operating cycles counter it is rectifier type structure When the arrester operating voltage drop on the valve R1 charge capacitor C through full wave rectifier then C d...

Page 8: ...0mm Weight 3kg III Check method principle As bad seal may there are moisture and water will enter operating cycles counter during operating which will make internal components corrode further counter cannot work properly so the regulations require that this device should be checked one a year The two methods of on site inspection counter action are capacitor release current method DC AC and standa...

Page 9: ... that the internal components are affected with damp and damaged Regulation provides that continuously test for 3 to 5 times each action should be normal each time interval should be not less than 30s After test logger should be set to zero Fig 2 the principle circuit diagram for standard impulse current method Impulse current generator in the dashed box C charging capacitor R charging resistance ...

Page 10: ...10 IV Operation method ...

Page 11: ...00V higher voltage can also be customized according to user s requirements 4 Press Test key output voltage will immediately drop at this time you can observe the action of counter 5 For multiple tests please wait output voltage exceeds 600V then press Test key and observe the action of counter 6 After test please immediately turn off power supply remove the wiring after output voltage has complete...

Page 12: ...the battery in time 4 Under DC test if the voltage cannot reach 1600v please stop using DC power and use AC power instead for test 5 If the instrument not use for a long time please charge up the battery every two months generally charging time is about 10 hours until the full indicator lights up VI Packing List 1 Instrument host 1 2 Output cable 2 3 AC 220V Power Cord 1 4 Fuse 3A 2 5 Factory insp...

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