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ZXPD-200L

Partial Discharge Detector

Use Manual

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Summary of Contents for ZXPD-200L

Page 1: ...1 ZXPD 200L Partial Discharge Detector Use Manual ...

Page 2: ... the function of the host The warranty period of the ZXPD 200L partial discharge detector is one year and the warranty period starts from the date of shipment Provide free repair services for products within the warranty period and guarantee that the repair period does not exceed 90 days If the user damages the product due to misuse disassembly negligence accident or abnormal operation during use ...

Page 3: ...maintenance contents provided by our company and our company does not provide maintenance services expressed or implied in other ways At the same time the company will not be responsible for any special indirect accidental damage and data loss regardless of whether it will cause economic and civil losses to users The right to use this manual is limited to users of this company Without any written ...

Page 4: ...opped and shut down and handled by a professional All connectors are imported connectors and they should be plugged in and out Do not rotate shake the connector or pull the cable forcefully The plug connector is moderately strong and should be inserted into place when plugged All mainframes and accessories must not be disassembled If it is really necessary it needs to be disassembled by our after ...

Page 5: ...ng to the number of discharge pulses 2 3 Product features Configure different sensors to realize partial discharge detection of almost all electrical equipment Provide time domain waveform PRPD PRPS and other discharge patterns to realize the analysis of different discharge types Humanized man machine interface facilitates data management of different devices including traceback of historical data...

Page 6: ...Petrochemical power supply system Aerospace testing field Automatic testing field 2 5 Parameters TEV measurement UHF measurement Measuring range 0 60 dBmV detection frequency 300 1500MHz Resolution 1dB measurement range 75dBm 0dBm Accuracy 1dB accuracy 1dBmV Maximum pulse per cycle 1400 Sensor band 300 2000MHz Measurement frequency band 1 100MHz AA measurement AE measurement Measuring range 6dBμV ...

Page 7: ...c environmental test regulations for electrical and electronic products Test A Low temperature test method GB T 2423 2 2001 Basic environmental test regulations for electrical and electronic products Test B High temperature test method GB T 2423 4 1993 Basic environmental test regulations for electrical and electronic products Test alternating damp heat test method GB T 2423 5 1995 Environmental t...

Page 8: ...wave measurement and measurement instrument guide GB T 19862 2005 Industrial automation instrument insulation resistance insulation strength technical requirements and test methods 2 7 Product configuration list The ZXPD 200L partial discharge detector is composed of the detection host sensor PC software CD and related accessories Among them the sensor PC and software CD are optional parts Shown a...

Page 9: ...card 1 copy Table 1 This manual demonstrates that the device language is Chinese and it can be completely set to English when overseas customers purchase 3 Operating Instructions 3 1 Structure ZXPD 200L Host The front end of the ZXPD 200L host has a built in non contact ultrasonic sensor and a built in TEV sensor which can realize the detection of partial discharge of ...

Page 10: ...r on and off and status display Power button ZXPD 200L realizes the switch on and off by touch switch only need to touch on the power label the status indicator will show the current working status of the host after power on if the power adapter is connected and the indicator C Lights up until the battery is fully charged The indicator S is used to show the status of data sampling or online status...

Page 11: ...ed to test the switchgear Host built in sensor Ultrasonic measurement If you choose the built in ultrasonic sensor to measure the partial discharge of the switchgear you do not need to do other operations or settings after turning on because the ZXPD 200L selects the built in ultrasonic sensor by default after booting and the upper left of the screen will show which sensor is currently connected A...

Page 12: ... a typical discharge phenomenon In many cases the environment of the cabinet under test will be filled with various complex ultrasonic interferences such as flashing fluorescent lamps ultrasonic mouse repellers fans in operation etc Therefore it is necessary to measure the environmental value before testing the cabinet to judge The interference level of the environment when the ultrasonic environm...

Page 13: ...with TEV test Table 2 Note the demarcation point 6dBuV is slightly different in different regions In some regions such as foreign countries and southern networks 6dBuV is used as the demarcation point Above 6dBuV is judged as an obvious discharge phenomenon while users of State Grid generally use 8dBuV as the demarcation point Whether the final purpose of 6dBuV or 8dBuV is to predict the insulatio...

Page 14: ...sor and the high frequency partial discharge signal will propagate on the surface of the metal cabinet The frequency is generally between 3 and 100MHz Front and close to the metal cabinet Like the ultrasonic measurement method the environmental value needs to be measured before the cabinet value is measured You can measure the environmental value at the metal plate metal door frame etc and then cl...

Page 15: ...reading Explanation High background reading ie greater than 20dB Note The background reading refers to the reading when the sensor is not attached to the cabinet a High levels of noise may mask the discharge in the switchgear b It may be due to external influences and the external interference source should be eliminated as much as possible before retesting or use a partial discharge monitor to id...

Page 16: ...r can be judged by readings The operation status of the switchgear can also be analyzed through the map According to the map the insulation status of the device can be more comprehensively understood such as the partial discharge The phase analysis the number of discharge pulse groups etc the spectrum analysis method is suitable for all high voltage equipment including switchgear The following des...

Page 17: ... signal waveform PRPD map PRPS map The PRPS map is a three dimensional map related to the discharge amplitude phase and time It can fully reflect the one to one correspondence between the three and it can more vividly reflect the characteristics of the current device discharge Combining the PRPD map can be more convenient Analyze the current discharge type Under the default test interface pressing...

Page 18: ...test The frequency range is 300 2000MHz The sensor should be placed in the position of the insulating basin If you use a contact ultrasonic sensor to test you can test the whole tank UHF sensor GIS field partial discharge test 3 3 4 Typical discharge types and discharge patterns Free metal particle discharge ...

Page 19: ... its polarity effect is not obvious and there is a discharge signal distribution throughout the phase of the power frequency cycle Suspended potential body discharge The floating potential body discharge is a partial discharge generated by loose metal parts The amplitude of such discharge pulses is stable and the adjacent discharge time intervals are basically the same When the suspended metal bod...

Page 20: ...racking and gas Due to defects such as gaps the number of such discharges is small and the cycle repeatability is low The discharge amplitude is also more dispersed but the discharge phase is more stable and there is no obvious polarity effect Metal tip discharge Metal tip discharge is a metal burr or tip at a high or low potential SF6 ...

Page 21: ... high frequency transformer Used for cable partial discharge detection Frequency 1 30MHz GUHF 2 UHF sensor Used for GIS partial discharge detection Frequency 300 1500MHz There are many customized sensors that are not listed here If you have any relevant requirements please contact our company The above sensors are connected through the multi function sensor expansion port at the bottom of the host...

Page 22: ...nterface to store the current record and the system will enter the file editing interface you can enter Chinese and English files through the numeric keyboard Name click confirm after input If you need to call historical data you can click the icon in the main test interface and a file pop up to call the resource manager will pop up File name input dialog Historical Data Explorer ...

Page 23: ...ting interface The following describes the settings of each function Automatic shutdown It can be automatically shut down according to the time in this setting to extend the battery life It can be used normally for 8 hours when the battery is fully charged Click or to reduce or extend the shutdown time Screen Brightness This value can be adjusted to change the brightness of the display Generally t...

Page 24: ...ireless synchronization receiver is The signal of the power supply system is consistent Trigger threshold The trigger threshold is used to adjust the trigger level of the internal high speed ADC sampling In order to make the pulse count value accurate increasing the value of the trigger threshold can effectively avoid the invalid count of interference signals but it is recommended not to use this ...

Page 25: ...nagement 3 7 Charging Charging is as convenient as a mobile phone You only need to plug the USB cable that comes with the product into the USB port of the computer to start charging You can also use an ordinary DC5V power supply 500mA 1000mA When charging the battery status at the top of the screen will be updated to the charging status When the battery is fully charged the charging indicator C li...

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