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Summary of Contents for Huazheng Electric Manufacturing HZJF-9008
- Page 1 HZJF-9008 Handheld Partial Discharge Detector USER MANUAL Huazheng Electric Manufacturing(Baoding) Co.,Ltd...
- Page 2 Safety Terms and Symbols This manual may contain the terms: Warning! Indicate the conditions and actions that may endanger the life and safety of the operator. Attention! Indicate the conditions and actions that may cause product damage or data loss. The product may contain the terms: Danger: when doing this, it may hurt you.
- Page 3 Product Certification and Standards This product is suitable for the partial discharge test of high voltage equipment, for example, the safely isolated transformer. Normative References The terms in following documents are the standard terms after they are referred by this standard.
- Page 4 Safe conditions and actions, and conditions and actions may damage the product Notice for Operations Security Understand the following safety precautions to avoid injury and prevent product damage or other products connected to this device. As to avoid possible dangers, please use this product in accordance with the regulations.
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Page 5: Table Of Contents
6. Data storage, query playback and synchronization-frequency setting interface........6 7. Detailed introduction of each functional interface..................8 VI. Introduction of partial discharge measurement.................... 10 1. TEV measurement:............................. 10 2. AE measurement:............................11 3. TEV external synchronization measurement:..................11 VII. Partial discharge configuration table of HZJF-9008 switch cabinet............12... -
Page 6: Product Overview
Product overview This handheld partial-discharge instrument is mainly used for the detection of high-voltage electrical equipment. This product is simple to operate and adopts portable structure design which can inspect on line. It equips with specific sensors to detect various high-pressure devices, which can detect the insulation state changes inside the equipment timely. -
Page 7: Technical Performance
2. Technical performance 1) sensor: built-in TEV sensor, ultrasonic sensor 2) range of frequency band: TEV: 3M-60MHz; ultrasonic: 40KHz 3) measurement range: TEV: 0dB-80dB; ultrasonic: 0dB-40dB 4) Tap: TEV: 0 -3 tap, total 4 adjustable taps; ultrasonic: 1 tap 5) maximum pulse / cycle number: 600 6) measurement display: current real-time value, historical maximum value, real-time oscillogram, fingerprint diagram, trend diagram, pulse count 7) trigger mode: internal / external synchronization trigger... -
Page 8: Introduction Of Software Operation
V. Introduction of software operation Introduction of key and boot Fig.5.1.1 Key 1. OK key; 2, direction key; 3, menu key; 4, start / pause key; 5, power key As shown in the figure above, long press the power key on the lower-left corner of the keypad panel to enter the self-checking screen as the figure below;... -
Page 9: Introduction Of Tev Partial Discharge Measurement Interface
Introduction of TEV partial discharge measurement interface Fig. 5.2 Main interface of TEV partial discharge measurement The main interface of software startup is as shown in the figure above, total 7 parts; ① sensor measurement mode and gain display, ② partial-discharge indicating value (current value, maximal value in turn), ③... -
Page 10: Ae Partial Discharge Measurement Interface
partial discharge measurement interface; the software interface is shown as figure above; and there are total 4 parts; ① sensor measurement mode and gain display, ②partial-discharge waveform display area, ③ display of maximal value, ④ pulse number / s. 4. AE partial discharge measurement interface Fig.5.4 AE partial discharge measurement interface It can enter the parameter setting interface by press the menu key on TEV partial discharge measurement interface;... -
Page 11: Data Storage, Query Playback And Synchronization-Frequency Setting Interface
Fig.5.5.1 Parameter setting interface Press the menu key to enter the parameter setting interface; press the up and down keys to select the options need changing; there will be blue background displayed after selecting, and then press the left and right keys to switch the parameters of this option, including: 1, sensor settings: TEV\AE switching. - Page 12 Fig.5.6.1 Storage, phase, and synchronization settings interface The menu option in the figure will appear when press the OK key on the TEV partial discharge measurement interface and AE partial discharge interface; press the up and down keys to switch to the data storage menu;...
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Page 13: Detailed Introduction Of Each Functional Interface
Press the left and right keys to switch different equipments, and the up and down keys to examine the data records saved in the equipment; and the real-time waveform, data, channel and gain of the record under the selected equipment number can be displayed. The prompt that "whether to delete the current record"... - Page 14 elimination-interference prompt will appear State when elimination-interference function is opened. The red rectangle-frame prompt will appear in Abnormal State when the external synchronization is selected. After the external synchronization is normal, the red indicator will disappear. 7.2 Partial-discharge indicating value Fig.
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Page 15: Introduction Of Partial Discharge Measurement
VI. Introduction of partial discharge measurement The measurement method of HZJF-9008 handheld partial discharge detector is simple; the equipment needs no recalibration in actual measurement since the value has been calibrated before delivery;... -
Page 16: Ae Measurement
2. AE measurement: The AE sensor at the front of host shall be aimed at the gap of the measured equipment and observe along the gap if the AE data and waveform changes, then read and record the data. 3. TEV external synchronization measurement: External synchronization module can be added for testing when finding the suspicious discharge signals and further measurements are needed. -
Page 17: Partial Discharge Configuration Table Of Hzjf-9008 Switch Cabinet
VII. Partial discharge configuration table of HZJF-9008 switch cabinet Name & Content Quantity HZJF-9008 handheld partial discharge Detector 1 set HZJF-9008 handheld partial-discharge patrolling measurement 1 set instrument embedded software HZJF-9008 External synchronization module and twin-core power line 1 set...
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