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Power and Harmonics Analyzer

Model AD6802/AD3007

Users Manual

AD INSTRUMENTS.

Summary of Contents for AD3007

Page 1: ...Power and Harmonics Analyzer Model AD6830 AD6802 AD3007 Users Manual AD INSTRUMENTS ...

Page 2: ...cified by the manufacturer the protection Provided by the clamp meter may be impaired Please read the following instructions before usage 1 Do not operate in wet or dusty environments 2 Do not operate in presence of combustible or explosive gas 3 Do not touch exposed metal parts unused terminals 4 Consider the use of rubber glove in operation 5 Do not operate in excess of AC 500V Phase to Neutral ...

Page 3: ... a voltage from 30V to 600V unless you are wearing protective clothing and glove suitable for high voltage work 2 Always inspect and check for any damage of the current probe assembly before usage Do not use the flexible current probe if any damage is found 3 Do not use the flexible current probe on circuit rated higher than 600V in installation category III ...

Page 4: ...Voltage and Current 26 III 10 Waveform of Voltage Only 27 III 11 Graphic Phasor Diagram 28 III 12 Phase Sequence of a 3 Phase System 30 III 13 Balanced and Unbalanced 3 Phase 3P3W 3P4W Power Source System 31 III 14 Balanced and Unbalanced 3 Phase 3P3W or 3P4W Load System 32 III 15 Transient Capture Setup Dips Swells Outage 33 III 16 Download Transient Data 36 III 17 Data Logging of Power Data 3P4W...

Page 5: ...2 IX SET THE CALENDER CLOCK 47 X PROTOCOL OF RS 232C INTERFACE 48 XI SPECIFICATIONS 23 5 49 XII BATTERY REPLACEMENT 57 XIII MAINTENANCE CLEANING 59 XIV NOMENCLATURE 60 ...

Page 6: ...onsumption to the maximum demand of a factory Display of 35 Parameters in One Screen 3P4W Programmable CT 1 to 600 and PT 1 to 3000 Ratios Display of Overlapped Voltage and Current Waveform Average Demand AD in W KW MW Maximum Demand MD in KW MW KVA MVA with Programmable Period HarmonicAnalysis to the 99 th Order Display of 50 Harmonics in one Screen with Waveform Display of Waveform with Peak Val...

Page 7: ...Ratio VUR IUR 3 Phase Voltage or Current Unbalance Factor d0 d2 Calculated Unbalanced Current through Neutral Line In 512K Memory with Programmable Interval Sampling time from 2 to 3000 seconds 17 000 records for 3P4W system Output of Waveform Power Parameters and Harmonics at Command Large Dot Matrix LCD Display with Backlight Optical Isolated RS 232C to USB Interface Built in timer and calendar ...

Page 8: ...3 II PANEL DESCRIPTION AD6830 ...

Page 9: ...ge Input Terminals for Each Phase V1 V2 V3 3 External DC Input The AC adaptor must be 600V isolated 4 Current Input Terminals for Each Phase I1 I2 I3 5 LCD Display 6 Buttons 7 RS 232C Window 8 Stand Holder 9 Stand 10 Battery Cover 11 Battery Compartment ...

Page 10: ...ss this button to perform transient detection Press this button to hold the data displayed in LCD Press this button and then REC button to record the displayed data Press HOLD button again to continue operation Press this button to start measurement of harmonics in magnitude ...

Page 11: ...ed Press this button to increment value by one Hold the button for two seconds or more to speed up the increment Press this button to decrement value by one Hold the button for two seconds or more to speed up the decrement In the mode of harmonic analysis press this button to move the cursor left to the previous order In the mode of harmonic analysis press this button to move the cursor right to t...

Page 12: ...magnitude Press this button to turn the back light on Press it again to turn the back light off Press this button to start measurement of power parameters Press this button to display waveform of voltage and current Press this button to display waveform of voltage only In the mode of power parameter measurement press this button to select appropriate system 3P4W 3P3W 1P2W or 1P3W In the mode of di...

Page 13: ...100A 1000A 1 JawAssembly 2 Trigger 3 Range Selector 4 6 pin mini DIN connector NOTE To setup 1000Acurrent probe as selected probe press the SETUP button to select CLAMP When the CLAMP is reverse video press the or button to select 1000 ...

Page 14: ...ssembly 2 Flexible Loop 3 Mini DIN connector for Output 4 Output Range Select Switch NOTE To setup 3000Acurrent probe as selected probe press the SETUP button to select CLAMP When the CLAMP is reverse video press the or button to select 3000 ...

Page 15: ...e power analyzer power analyzer will automatically detect the range selected NOTE Select the correct frequency Hz in the SETUP menu WARNING All the current probes connected to the power analyzer must be of the same model and same range Mixed models and different ranges selected will cause incorrect result of measurement ...

Page 16: ...conductor 2 Make sure the current flowing direction is in consistent with the arrow marked on the probe coupling If the flexible current probe is connected in the right orientation the correct phase will be displayed in the oscilloscope 3 Keep the probe coupling more than 25mm away from the conductor WARNING Always wear appropriate gloves in operation ...

Page 17: ... up press EXIT button to leave setup mode 1 Select the data for download H means harmonics H in reverse video means HOLD screen data if the data is the one you want you can press HOLD button to display the data and press HOLD button again to exit P means power data which can be a reference for downloading the data in order is 0 84 2 Shows the total logged data in the analyzer max 85 logging data 3...

Page 18: ...mand 1 60 minutes 10 TRANS REF set up the transient voltage which will be automatically changed in accordance with PT 11 SDVP set up upper and lower limits of transient voltage detection 12 YEAR Set up year of calendar clock 13 MONTH Set up month of calendar clock 14 DATE Set up date of calendar clock 15 HOUR Set up hour of calendar clock 16 MINUTE Set up minute of calendar clock 17 SECOND Second ...

Page 19: ... 1 V 3 I I2 1 I POWER 60A 60A POWER 100A 100A HARMON 1A 10A HARMON HARMON 10A 1A HARMON 100A 100A 60A POWER 100A 100A HARMON 1A 10A HARMON a Turn the power on Press the POWER and the 1Φ3Φ buttons to select the 3P4W system The type of system will be displayed at the left bottom ...

Page 20: ...and L3 of the 3P4W system d Connect the three current probes to the power analyzer input terminal I1 I2 and I3 e Clamp on to the L1 L2 and L3 of the 3P4W system Make sure the current flows from the front of the current probe to the back of it f All parameters of the system will be shown in LCD For the meaning of each parameter refer to XIV NOMENCLATURE ...

Page 21: ...16 III 2 Power Quality of a 3 Phase 3 Wire 3P3W System ...

Page 22: ...of system will be displayed at the bottom right of the LCD b Connect the three test leads to the voltage terminals L1 L2 and L3 of the system c Connect the three current probes to the power analyzer input terminal I1 I2 and I3 d Clamp on to the L1 L2 and L3 Make sure the current flows from the front of the current probe to the back of it e All parameters of the system will be shown in LCD For the ...

Page 23: ...l be displayed at the bottom right of the LCD b Connect the two test leads to the voltage terminals L1 and VN Neutral of the system c Connect one current probe to the power analyzer input terminal I1 d Clamp on to the L1 Make sure the current flows from the front of the current probe to the back of it e All following parameters of the system will be shown in LCD For the meaning of each parameter r...

Page 24: ...ype of system will be displayed at the bottom right of the LCD b Connect the three test leads to the voltage terminals L1 L2 and VN Neutral of the system c Connect the two current probes to the power analyzer input terminal I1 and I2 d Clamp on to the L1 and L2 Make sure the current flows from the front of the current probe to the back of it e All parameters of the system will be shown in LCD For ...

Page 25: ...s to select the 3P4W system The type of system will be displayed at the bottom right of the LCD b Connect the four test leads to the secondary voltage terminals L1 L2 L3 and the VN Neutral of the system c Clamp on to the secondary coils of L1 L2 and L3 Make sure the current flows from the front of the current probe to the back of it d Press the SETUP button and the CT symbol will be shown in rever...

Page 26: ...own in reverse video in LCD g Press the or buttons to increment or decrement the RATIO specified by the VT h Press EXIT to return to POWER mode All the parameters of the system will be shown in LCD For the meaning of each parameter refer to XIV NOMENCLATURE ...

Page 27: ...ent Normal Voltage without Distortion and Harmonics Distorted Current with Harmonics a Set up the analyzer for measurement of any power system 3P4W 3P3W 1P2W or 1P3W To see the harmonic analysis of voltage or current users can press the MAG button ...

Page 28: ...of harmonics The frequency HZ will be displayed next to the cursor The percentage of harmonics will be displayed below the cursor The magnitude of the harmonics V or A or phase angle will be displayed next to the f To move the cursor to next harmonics press the or button g To see the next page of 51 st to 99 th order press the button to pass 50 th order or press the button to pass 1 st order NOTE ...

Page 29: ... angle shall be displayed next to the This phase angle is measured from the sampled waveform It may not be 0 for V1 The rest of the phase angle V2 V3 I1 I2 and I3 is sampled with respect to V1 NOTE If the waveform is chopped off at the peak or too small in the LCD press the RANGE button to select HIGH or LOW range for better display The range indicator is a symbol after the unit of RMS value L or ...

Page 30: ...o section VII 2 The analyzer will integrate the KW and KVA over the specified interval 3 The maximum demand MD will be updated if new demand is greater than the previous value In the following example the maximum demand is 527 4VA and 527 4W The time interval for maximum demand is 2 minutes ...

Page 31: ...ime Press this button to select different inputs V1 I1 V2 I2 or V3 I3 NOTE The triggering point is the zero crossing point of V1 for V2 V3 I2 and I3 The triggering point for I1 is its own zero crossing point in case V1 is not present NOTE In the mode of displaying waveform one period cycle of 1024 data is displayed ...

Page 32: ...veform only The true RMS value of voltage will be displayed at the bottom in LCD Press this button to select V1 V2 or V3 NOTE The triggering point is the zero crossing point of V1 for V2 and V3 NOTE In the mode of displaying waveform one period cycle of 1024 data is displayed ...

Page 33: ...1 IVn Calculated voltage and current of neutral with respect to ground V12 V23 V31 Line voltage in phasor format with respect to V1 Ave Average of line voltages V12 V23 and V31 and line current I1 I2 and I3 dV Historical maximum value of Max V1 V2 V3 Min V1 V2 V3 Min V1 V2 V3 100 VUR Voltage Unbalance Ratio d02 The first number is Zero Sequence Unbalance Ratio in d0 of voltage The second number is...

Page 34: ...uence Unbalance Ratio in d0 of current The second number is the Negative Sequence Unbalance Ratio in d2 of current When IUR is displayed before d02 d02 represents the Zero d0 and Negative d2 Sequence Unbalance Ratios for current REF nominal voltage for transient detection reference Sd threshold in for transient detection with respect to nominal voltage REF NOTE If the voltage of L1 L2 and L3 is no...

Page 35: ...play phasor diagram In this mode the analyzer also detects the correctness of the phase sequence If the voltage of L1 L2 and L3 is not connected in right sequence the analyzer will show L1 3 2 in the right top corner and beep to warn the users of incorrect phase sequence ...

Page 36: ...rs should be as following V1 V2 V3 V12 V23 V31 The phase angle of phasor V2 120 The phase angle of phasor V3 120 Vn voltage of neutral with respect to ground 0V VUR 0 d0 0 d2 0 Unbalanced System If the values are different from the numbers above then we can say it is an unbalanced power source system The magnitude of the difference can be used as an indication of an unbalanced power source system ...

Page 37: ...e parameters should be as following I1 I2 I3 The phase angle of phasors I2 and I1 I2 I1 120 The phase angle of phasors I3 and I2 I3 I2 120 In current of neutral 0A IUR 0 d0 0 d2 0 Unbalanced System If the values are different from the numbers above then we can say it is an unbalanced load system The magnitude of the difference can be used as an indication of an unbalanced power source system The l...

Page 38: ...ells Outage 1 Press button to enter the mode of PHASOR DIAGRAM 2 Press the SETUP button to let TRANS REF is displayed in reverse video 3 Press the or buttons to increment or decrement nominal voltage as reference To exit press the EXIT button ...

Page 39: ...NSIENT button to review the TRANSIENT events recorded 9 To exit TRANSIENT CAPTURE press the EXIT button Definition of SWELL DIP and OUTAGE SWELL VRMS VREF VREF SD Code for SWELL 1 If true RMS value of either phase V1 V2 or V3 rises above the nominal value plus the threshold REF SD it is regarded as SWELL The code for SWELL is 1 DIP VRMS VREF VREF SD Code for DIP 2 If the true RMS value of either p...

Page 40: ...he analyzer stops capture operation until the TRANSIENT is pressed again The timer is also stopped when users press the TRANSIENT button So the time stamp is not correct when users press the TRANSIENT button to resume operation NOTE The analyzer can record up to 28 events When the analyzer has recorded 28 events it stops the capture operation turns the backlight on and displays the 28 transient ev...

Page 41: ...t as in LCD in ASCII format YEAR MONTH DAY HOUR MINUTE SECOND CT REF CODE 01 ELAPSED_TIME CYCLES CODE 02 ELAPSED_TIME CYCLES CODE 03 ELAPSED_TIME CYCLES CODE 04 ELAPSED_TIME CYCLES CODE NOTE When users download data in the office one additional event will be captured due to no input connected The additional last event should show 1 Elapsed time is reset to 0 2 Transient event is LO and OUT ...

Page 42: ...bol will be displayed at the bottom line in LCD If the memory is full a FULL symbol will display at the bottom line in LCD and the buzzer will last 3 seconds Now the recording function is disabled i e pressing the REC button won t work 5 To stop data logging press the REC button again WARNING If there is no input at V1 then the sampling time could be longer than the set value WARNING If the unit d...

Page 43: ...elected file is power data a leading symbol P will be shown in front of the file number 5 Press EXIT button 6 When the unit receives a CTRL D command through the RS 232C port it will down load stored power data NOTE In the setup mode the unit will not accept any command through RS 232C port To down load data users must press the EXIT button to return to normal measurement mode ...

Page 44: ...l be displayed at the bottom line in LCD If the memory is full a FULL symbol will display at the bottom line in LCD and the buzzer will last 3 seconds Now the recording function is disabled i e pressing the REC button won t work 5 To stop data logging press the REC button again WARNING If there is no input at V1 then the logging time will be incorrect WARNING If the unit detects battery low during...

Page 45: ...ected file is harmonics data a leading symbol H will be shown in front of the file number 5 Press EXIT button 6 When the unit receives a CTRL D command through the RS 232C port it will down load stored harmonics data NOTE In the setup mode the unit will not accept any command through RS 232C port To down load data users must press the EXIT button to return to normal measurement mode ...

Page 46: ...41 III 21 Clear Memory of Data Logging To clear all data memory of the unit hold the REC button and turn the power on ...

Page 47: ...button It takes few seconds to hardcopy the screen and store the screen in an internal file The LCD will show REC in reverse video when in operation The number following the REC is the file number 3 Users can store up to 85 screens if no power or harmonics data is stored ...

Page 48: ...ardcopy of screen a leading symbol of H is displayed in reverse video 2 Press the or to select the saved screen 3 Press the HOLD READ button then the saved screen will be restored NOTE If the data saved in a specific file is a HARDCOPY of screen a leading symbol of H is displayed in reverse video NOTE Hardcopy data can not be down loaded ...

Page 49: ... value by 1 Holding the or button will speed up the process of incrementing or decrementing To exit press the EXIT button The range of CT ratio is from 1 to 600 The range of VT ratio is from 1 to 3000 Once the CT or VT is set the voltage and current readings becomes CURRENT displayed CURRENT measured x CT Ratio VOLTAGE displayed VOLTAGE measured x VT Ratio ...

Page 50: ...ement or decrement the value by 1 Holding the or buttons will speed up the process of incrementing or decrementing To exit press the EXIT button The range of MD time interval is from 1 to 60 minutes Once the time interval is set the unit will calculate the maximum demand and average demand in wattage W or VA To toggle between W and VA press the POWER button ...

Page 51: ...Press the SETUP button several times until SEC is displayed in reverse video Press the or buttons to increment or decrement the value by 2 Holding the or buttons will speed up the process of incrementing or decrementing To exit press the EXIT button ...

Page 52: ...47 IX SET THE CALENDER CLOCK 1 Press the SETUP button to select Year Month Date Hour Minute 2 Press the or buttons to increment or decrement the number NOTE Second can not be adjusted ...

Page 53: ...48 X PROTOCOL OF RS 232C INTERFACE RS 232C Interface Baud Rate 19200 Data bits 8 Stop bit 1 No Parity ...

Page 54: ...m Conductor is located at the center of flexible loop Position sensitivity is 2 of range External field effect of 40A m and 200mm from the coupling is 1 of range Temperature coefficient is 0 02 of reading C Model AD6830 3007 3000A Range 0 to 3000A Resolution Accuracy of Readings 3 20 V and 30A 20V or 30A 10 0 999 9 W 0 1W 1 of range 2 of range 1 000 9 999 KW 0 001 KW 1 of range 2 of range 10 00 99...

Page 55: ... 1A 1 A 0 5 5A Model AD6830 3007 Overload Protection AC 3000A Range Resolution Accuracy of Readings 6 0 300 0A 0 1A 1 of range 300 0 3000A 0 1A 1A 1 of range 4 5 6 For CT 1 the accuracy in percentage is the same 0 5 But the additional digits should be multiplied by the CT ratio For example 0 5A becomes 0 5A CT ratio AC Voltage 50 or 60 Hz Auto Range True RMS Crest Factor 4 Input Impedance 10 MΩ VT...

Page 56: ...tion Accuracy 1 20 th 0 1V 2 0 5V 21 49 th 4 of reading 0 5V 50 99 th 6 of reading 0 5V Harmonics of AC Current in Percentage 1 to 99 th order Min current at 50 or 60 Hz is model AD6830 AD6801 10 of the range model AD6830 AD6802 20A model AD6830 3007 30A If the current is 0 at 50 or 60 Hz all the percentage display is 0 Model AD6830 AD6802 Range Resolution Accuracy 1 20 th 0 1 2 21 49 th 4 of read...

Page 57: ...h 0 1 6 of reading 4A 1 to 99 th order min current at the 50 or 60 Hz 3000A True RMS 300A Model AD6830 3007 Range 300 3000A Resolution Accuracy 1 20 th 0 1 2 of reading 40A 21 st 50 th 0 1 4 of reading 40A 51 st 99 th 0 1 6 of reading 40A Power Factor PF Model AD6830 AD6802 Range Resolution Accuracy 0 00 1 00 0 01 0 04 Model AD6830 3007 Range Resolution Accuracy 20V and 30A 20V or 30A 0 000 1 000 ...

Page 58: ... AUTO mode Model AD6830 AD6802 Range Resolution Accuracy of Reading 45 65 Hz 0 1Hz 0 1Hz Frequency of ACV RMS value 10V or ACA RMS value 30A Model AD6830 3007 Range Resolution Accuracy 45 65 Hz 0 1 Hz 0 2Hz Total Harmonic Distortion THD F with respect to the fundamental frequency min value at 50 or 60 Hz is voltage AC 80V and current is model AD6830 AD6801 10 of the range model AD6830 AD6802 20A m...

Page 59: ...54 Model AD6830 3007 Range Resolution Accuracy 0 0 20 0 1 2 20 100 0 1 6 of reading 5 100 999 9 0 1 10 of reading 10 ...

Page 60: ...ords 1P2W 4096 records 50 Harmonics record Sampling Time 2 to 3000 seconds for data logging Low battery Indication Overload Indication OL Operating Temperature 10 C to 50 C Operating Humidity less than 85 relative Storage Temperature 20 C to 60 C Storage Humidity less than 75 relative Dimension 257 L x 155 W x 57 H mm 10 1 L x 6 1 W x 2 3 H Weight 1160g Batteries included Accessories test leads 3 ...

Page 61: ...Weight 600g 3007 Flexible Current Probe 3000A Probe Length 3007 24 24 in 610 mm Minimum Bending Diameter 35mm Connector Diameter 23mm Cable Diameter 14mm Cable Length from Probe to Box 1700mm Cable Length from Box to Output 1700mm Range Selection Manual 300A 3000A Battery powered by power analyzer Dimension Box 130mm L x 80mm W x 43mm H 5 1 L x 3 1 W x 1 7 H Weight 410g ...

Page 62: ...57 XII BATTERY REPLACEMENT When the low battery symbol is displayed on the LCD replace the old batteries with eight new batteries ...

Page 63: ...the test leads and current probes from the unit 1 Remove the screw of the battery cover 2 Lift and remove the battery cover 3 Remove the old batteries 4 Insert eight new 1 5V SUM 3 batteries 5 Replace the battery cover and secure the screw ...

Page 64: ...be performed by qualified personnel Periodically wipe the case with a damp cloth and detergent do not use abrasives or solvents For flexible probes 3007 Always inspect the flexible current probe for any damage If any damage is found do not use the flexible current probe Return the probe to a qualified person for repair or replacement ...

Page 65: ...r Factor PF PF1 PF2 PF3 Power Factor of Each Phase PFH Long Term Average Power Factor WH SH Φ1 Φ2 Φ3 Phase Angle of Each Phase WH Watt Hours SH VA hours QH VAR hours HZ Selected Frequency 50 60 or Auto MD Maximum Demand in W and VA over Specified Interval 3P4W 3 Phase 4 Wire System 3P3W 3 Phase 3 Wire System 1P2W Single Phase 2 Wire System 1P3W Single Phase 3 Wire System SEC sampling interval in s...

Page 66: ...61 Address of Distributor ...

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