HVTest HT-802 Скачать руководство пользователя страница 50 | Manualshive

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4. [Switching value]

Contact 1 select the triple jump, and others closing

5. Protection on/off

Only zero sequence on, others off.

6. Wring-as shown

Section 13 Group Test

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Содержание HT-802

Страница 1: ...u 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...

Страница 2: ...refully to avoid body injury and prevent the product or other relevant subassembly to damage In order to avoid possible danger this product can only be used within the prescribed scope Only qualified...

Страница 3: ...t Before connecting please read the instruction manual to acquire information about the ratings Do Not Operate without Covers Do not operate this product when covers or panels removed Use Proper Fuse...

Страница 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 tak...

Страница 5: ...tion 5 Synchronous Test 29 Section 6 Current Voltage Test 32 Section 7 Differential Test 33 Section 8 Impedance Characteristic 41 Section 9 Harmonic Test 43 Section 10 Power Direction Test 44 Section...

Страница 6: ...00 TFT true color display which provides rich visual information includes the current working condition and all kinds of help information 4 The Windows XP system comes with the restore function avoid...

Страница 7: ...effective value 0 40A phase accuracy 0 5 3 phase parallel current output effective value 0 120A 3 phase parallel output in same phase Phase current working value for allowed long time effective value...

Страница 8: ...input terminals 8 pairs Dead contact 1 20mA 24V active output inside the device Potential flip 0 6V DC low level 15 250V DC high level Switch output terminals 4 pairs dead contact rupturing capacity...

Страница 9: ...ation stable and reliable 3 D A and A D conversion Uses high precision D A converter adopts active low pass filter to sooth the output waveform good amplitude frequency characteristics The control sys...

Страница 10: ...d start the buzzer alarm The high current limits use a unique hardware limit circuit overcome the shortcomings of traditional software and make it more safe and reliable 5 Switch input and output This...

Страница 11: ...hree terminals output only can be the power of the protection device not be the DC operating power 110V 110V can output 220V DC voltage Section 2 Instruction of panel 1 Switch input 8 pairs compatible...

Страница 12: ...ce need output current voltage 7 Reset 8 Grounding terminal well grounded during test 9 Fuse fixed output 110V 110V 10 LCD 8 4 11 0 Host switch power of the IPC 12 PC interface connect with PC 13 USB...

Страница 13: ...ll other software programs in this system 4 When connecting keyboard or mouse please do not connect wrong terminal otherwise the Windows operating system won t be started up normally 5 Please do not p...

Страница 14: ...It will disappear when the loop short circuit If power on the amplifier power switch after connects the circuit loop wire there will not be sparking phenomenon Check the wiring is correct If the curre...

Страница 15: ...age relay Sequence component relay Synchronism check or phase comparison relay Extremely inverse current relay Differential relay DC magnetic properties Differential relay Differential test Harmonic t...

Страница 16: ...requency variation distance Set value calibration Power frequency variation distance The fault current should be set enough for example 10 15A Composite voltage Locking direction current Over current...

Страница 17: ...irection over current Reserve Relative test item AC test Others Automatic synchronizing device Relative test item Synchronous test Wiring correctly according the instruction manual Protection device A...

Страница 18: ...he computer automatically detect the new USB device select the specified directory to install enter into the browser find the location of the driver click OK you can automatically install after the in...

Страница 19: ...19 4 Report management Can choose from a variety of test report to preview print arrange delete and copy Section 2 AC Test 1 Interface Instruction...

Страница 20: ...erval of each step length for automatic test Manual test do need to set this parameter 4 Automatic test stop action During the output procedures the involved variable change according the set step len...

Страница 21: ...ly saved parameters 9 Save parameters Save the current parameters to the user specified folder 10 Default parameters Interface will restore to the default parameters generally voltage initial 57 73V c...

Страница 22: ...rd it will make the test report concise 4 Contact vibrating delay Some relay such as electromagnetic relays speed saturated converters when the electrical parameters close to the action setting its co...

Страница 23: ...es 3 Power direction test Protection devices generally use 90 degree wiring low voltage set 60V UA 60V phase is 0 degree UB 0V the phase is 0 degrees Thus the line voltage UAB 60V the phase is 0 degre...

Страница 24: ...e negative sequence voltage lockout value is 7V phase voltage over current fixed value is 5A UA UB UC UN IA IB IC and IN are access to the AC input terminal of the transformer backup protection at the...

Страница 25: ...ule provides specialized DC voltage and DC current output mainly to meet the test requirements for DC voltage relay time relay and intermediate relay The main interface as shown in the figure its oper...

Страница 26: ...on voltage is 110V the return voltage about 30V 2 Intermediate relay Select a phase voltage or current to be variable according the relay type manually or automatic test The device has a special test...

Страница 27: ...er than the stop frequency low frequency test is needed Start frequency was less than the stop frequency high frequency test is needed the program automatically discriminating the direction of change...

Страница 28: ...ts then 3 00Hz S slip lock value is correct In short the principle is the setting slip value greater than the slip lock value the protection does not act less than slip lock value protection should be...

Страница 29: ...ct UA the shunt side elect UB input terminal choose from 1 8 Manual test or automatic test 2 methods Automatic synchronizing adjusted only automatic test way 2 Basic conditions of the synchronization...

Страница 30: ...increments UB when it closes to UA phase frequency synchronization device acts the program records the UB frequency to be the action frequency value 3 3 Test action phase System side voltage UA 100V p...

Страница 31: ...ce enters the waiting for the synchronizing state after start the start button at the beginning Before the test please find the synchronizing start signal input terminals of the device to the two line...

Страница 32: ...voltage output For electromagnetic relay the appropriate contacts jitter delay time should be set to improve the accuracy of the test 1 Test Guide 1 Current relay The output current of the tester conn...

Страница 33: ...tion 7 Differential Test This procedure is used for testing ratio control and harmonic control characteristics of microprocessor based differential protection devices This instrument is a three phase...

Страница 34: ...according to the setting value of protection generally 8A 10A 3 Proportional control factor Input value according to the setting value of protection generally 0 2 0 9 4 Harmonic restraint coefficients...

Страница 35: ...atically set the phase difference of I1 and I2 to 150 degrees Y 11 The program automatically set the phase difference of I1 and I2 to 210 degrees For this relay tester you must manually adjust the pha...

Страница 36: ...I III side CT1 CT2 CT3 CT transformation ratio on Transformer I II III side Note Equilibrium factor of differential protection are not all the same the calculating mode of some protections may not be...

Страница 37: ...t the second group of three phase current connect to low voltage side The connecting mode is very simple 2 Connecting mode of three phase ratio control There are six different connecting modes includi...

Страница 38: ...e 3 Connecting mode of harmonic restraint Connecting mode of six phase current Connecting mode of three phase current 6 Test item When all the parameters are well set we can conduct various test 1 Rat...

Страница 39: ...nt in the testing data list repeat the above operation to add multiple test points as shown in the figure The test points should be selected in the action area and non operating area in order to verif...

Страница 40: ...quilibrium factor Wrong equilibrium factor may lead to a large deviation between the curve tested and setting curve So please select the right equilibrium factor according to the setting value of prot...

Страница 41: ...the current will produce a certain phase difference thereby the protective device must be done phase compensation in the software So when we do a phase differential test the differential of the other...

Страница 42: ...ng value 3 Scanning step Expressed with impedance is the step of scanning center from the top of the scanning radius 4 Scanning range 100 means that from the top of the scanning radius to the scan cen...

Страница 43: ...d to test various devices of reflecting the harmonic components 1 Selection of the switch quantity 1 8 the input terminals choose one Input mode normally open or normally close 2 Test method manual or...

Страница 44: ...and automatically calculates the power direction relay sensitive angle 1 Current voltage selection 1 If 0 degrees wiring choose UA IA UB IB or UC IC 2 If 90 degrees wiring choose UAB IC UBC IA or UCA...

Страница 45: ...e the resistance component can be negligible so the impedance angle sensitivity angle is generally 90 degrees or 80 degrees Two ways optional the program automatically translated Generally protection...

Страница 46: ...me of the device generally 20 seconds Fault time should be more than the action time of the fourth stage impedance generally 4 5 seconds Zero sequence compensation factor single phase ground only ente...

Страница 47: ...s must be reliable action 1 05 times must be the impedance action of next segment segment 1 is instantaneous impedance action Section 2 and 3are with delay action the operating time is determined by p...

Страница 48: ...sequence over current project of distance protection and zero sequence over current generally divided into four sections section 1 is generally quick break Section 2 3 and 4 general are exports with...

Страница 49: ...direction is the fault voltage ahead of the fault current 75 degrees reverse direction is the fault voltage ahead of the fault current 225 degrees Take two values for each zero sequence current exper...

Страница 50: ...50 4 Switching value Contact 1 select the triple jump and others closing 5 Protection on off Only zero sequence on others off 6 Wring as shown Section 13 Group Test...

Страница 51: ...t to 0A Load power angle the angle of each phase current and voltage at normal state Generally 30 degrees Normal state time generally takes 20s to escape the reversionary and reclosing charging time o...

Страница 52: ...as the reclosing action Impedance setting enter impedance setting of a certain segment sensitive angle 75 degrees the short circuit point to be less than setting impedance to make the protection relia...

Страница 53: ...synchronous voltage Some of the reclosing of the protection need synchronous voltage that the reclosing action the UX as the synchronous voltage protective device Enter the amplitude and phase of the...

Страница 54: ...e initial state until the end state 20 states the most State types can be divided into no load any AN BN CN AB BC CA ABN BCN CAN and ABC The initial state and the end state are fixed to be no load sta...

Страница 55: ...reely chosen two adjacent states cannot share the same channel must be staggered so that the program accurately record the operating time 2 State edit Delete one state or all the inserted state and ed...

Страница 56: ...nt the program automatically test the operating time of each current relay and draw the relation curve between operating current and the action time Single phase inverse time tests and three phase inv...

Страница 57: ...ement points 10 points 3 Output time is the time with output current must be more than the rated current operating time 4 Reset time is the time of no current output generally 1 2 seconds 5 Test curre...

Страница 58: ...king current or assistant magnetic DC IZ 3 Starting current The minimum operating current in the case of no braking 4 Measurement points are generally fixed for 10 points 5 Output time is the maintena...

Страница 59: ...culate the braking coefficient 3 Wiring as shown Section 17 Intermediate relay The process is special designed for the intermediate relay test 1 Type of intermediate relays 1 Voltage operation the vol...

Страница 60: ...2 The starting current usually is 1 00A termination current is generally 10 00A 3 Maintain voltage usually is 110V or 220V 4 Maintain current is usually 2 00A 5 Voltage step is usually 0 5V or 1 00V 6...

Страница 61: ...rcuits fault voltage U 2 I ZD 1 1 05m 3 Un in which m is the coefficient its value are 0 9 and 1 2 For the microcomputer protection when m 0 9 D outgate direction element outgate when m 1 2 DZ D shoul...

Страница 62: ...g frequency of the data in each segment the sampling points and the total sampling points in the interface The user can define the corresponding channel in recorded wave file for voltage and current c...

Страница 63: ...on duration usually 3 seconds the output voltage and current in the first row UA UB UC IA IB and IC 1 Oscillation no failure The testing process is normal state oscillation state Back 2 Oscillation wi...

Страница 64: ...f1 50 000Hz f2 1 Tz UA 57 735 2 Sin 2 f1 t 1 4 K 1 K Sin f2 t 1 2 UB 57 735 2 Sin 2 f1 t 1 1 4 K 1 K Sin f2 t 1 2 UC 57 735 2 Sin 2 f1 t 2 1 4 K 1 K Sin f2 t 1 2 IA Iz 2 Sin f2 t 1 2 Sin 2 f1 t 0 IB I...

Страница 65: ...ing Instruments This procedure is used to detect active power reactive power and power factor of single phase or three phase energy meter The current parameters and voltage parameters are added indivi...

Страница 66: ...nitial state there are no current and voltage in the fault state 1 Connection type and standby mode of standby power supply automatic switch device BZT 1 Connection type 1 Single standby mutual standb...

Страница 67: ...In overhauling and testing state use manual switch to cut off the power at this time standby power supply automatic switch device is not allowed to operate then the tester can have an output to acces...

Страница 68: ...Connection mood of voltage is more complex and required to access up to 8 voltages some voltage can be line voltage access that can reduce the number of voltage channels of tester The number of volta...

Страница 69: ...ic switch BZT operation When standby power supply automatic switch judge that there are no current and voltage on 1 bus standby power supply will operate DL131 disconnect DL100 close After standby pow...

Страница 70: ...In failure state BZT operated 2 Test connection as shown in the following illustration 2 The main wiring 2 1 Working principle 1 bus voltage 2 bus voltage BZT 100 switches closed Common terminal of Te...

Страница 71: ...er supply automatic switch judge that there are no current and voltage on 1 bus standby power supply will operate DL131 disconnect DL231 close After standby power supply automatic switch operation 1 b...

Страница 72: ...automatic switch BZT operation When standby power supply automatic switch judge that there are no current and voltage on 1 bus standby power supply will operate DL30 close After standby power supply...

Страница 73: ...rs to item 4 1 2 5 Test summary 1 Confirm the main connection type of the system according to the drawings and site conditions 2 Understand the action logical relationship of standby power supply auto...

Страница 74: ...eaking and closing of standby power supply automatic switch device to let the device send out operation order Beginner s Guide Appendix A Driver installation instructions 1 Insert the hardware the sys...

Страница 75: ...ill be a USB logo in the lower right corner of the screen Click on the USB logo will appear Safely Remove USB driver for the DSP menu Usually do not remove the device otherwise the tester cannot commu...

Страница 76: ...r to do the test the USB control switch should select the PC end Note when connect to an external computer please confirm whether the driver of the IPC is installed details please refer to Appendix A...

Страница 77: ...rength aluminum alloy host package case 1 3 Test line package 1 4 Current test line 1 5 Power cord 1 6 USB connection cable 1 7 Program U disk 1 8 Ground wire 1 9 10 A fuse 2 10 2 A fuse 2 11 Certific...

Страница 78: ...78...

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