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26

III.8 Measurement of Maximum Demand

1.  Set the time interval for maximum demand (refer to 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.

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Содержание PCE-3007

Страница 1: ...om outside US 1 Tel 561 320 9162 Fax 561 320 9176 info pce americas com www pce instruments com english www pce instruments com PCE Instruments UK Ltd Units 12 13 Southpoint Business Park Ensign way H...

Страница 2: ...ified 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...

Страница 3: ...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 no...

Страница 4: ...oltageand Current 27 III 10WaveformofVoltageOnly 28 III 11 Graphic Phasor Diagram 29 III 12 Phase Sequence of a3 Phase System 31 III 13 Balanced and Unbalanced 3 Phase 3P3W 3P4W Power SourceSystem 32...

Страница 5: ...IX SETTHE CALENDER CLOCK 47 X PROTOCOLOFRS 232C INTERFACE 48 XI SPECIFICATIONS 23 5 49 XII BATTERYREPLACEMENT 59 XIII MAINTENANCE CLEANING 61 XIV NOMENCLATURE 62...

Страница 6: ...splay of 50 Harmonics in one Screen with Waveform Display of Waveform with Peak Values 1024 Samples Period Analysis of Total Harmonic Distortion THD F Graphic Phasor Diagram with 3 Phase System Parame...

Страница 7: ...2 II PANEL DESCRIPTION PCE 830...

Страница 8: ...e 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 Ho...

Страница 9: ...s 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...

Страница 10: ...wo 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 b...

Страница 11: ...n 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 on...

Страница 12: ...10A 100A 1 JawAssembly 2 Trigger 3 Range Selector 4 6 pin mini DIN connector NOTE To setup 100Acurrent probe as selected probe press the SETUP button to select CLAMP When the CLAMP is reverse video p...

Страница 13: ...wAssembly 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 b...

Страница 14: ...9 1 CouplingAssembly 2 Flexible Loop 3 Mini DIN connector for Output 4 Output Range Select Switch...

Страница 15: ...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 b...

Страница 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...

Страница 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...

Страница 18: ...Demand 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...

Страница 19: ...re 3P4W System POWER 3 4W VN 3 V V2 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...

Страница 20: ...c Connect the test leads to L1 L2 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...

Страница 21: ...17 III 2 Power Quality of a 3 Phase 3 Wire 3P3W System...

Страница 22: ...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 inp...

Страница 23: ...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...

Страница 24: ...pe 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 a...

Страница 25: ...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...

Страница 26: ...wn 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...

Страница 27: ...nt 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 vol...

Страница 28: ...f 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...

Страница 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...

Страница 30: ...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...

Страница 31: ...me 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...

Страница 32: ...eform 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...

Страница 33: ...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 a...

Страница 34: ...ence 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 U...

Страница 35: ...lay 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 r...

Страница 36: ...s 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...

Страница 37: ...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...

Страница 38: ...er 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 EX...

Страница 39: ...rded 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...

Страница 40: ...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...

Страница 41: ...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...

Страница 42: ...ay 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 NOTE Do...

Страница 43: ...lected 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 p...

Страница 44: ...m 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 wor...

Страница 45: ...own 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...

Страница 46: ...utton 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 Us...

Страница 47: ...rdcopy 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 save...

Страница 48: ...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...

Страница 49: ...ment 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 On...

Страница 50: ...g the or buttons will speed up the process of incrementing or decrementing To exit press the EXIT button The example about how to decide the sampling time for data logging If users want to log data fo...

Страница 51: ...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...

Страница 52: ...48 X PROTOCOL OF RS 232C INTERFACE RS 232C Interface Baud Rate 9600 Data bits 8 Stop bit 1 No Parity...

Страница 53: ...of Readings 2 5 0 999 9 W 0 1W 1 0 8W 1 000 9 999 KW 0 001 KW 1 8W 10 00 99 99 KW 0 01 KW 1 80W 100 0 999 9 KW 0 1 KW 1 0 8KW 1000 9999 KW 1 KW 1 8KW 0 000 9 999MW 0 001MW 1 80KW 50 or 60 Hz PF 0 5 t...

Страница 54: ...r KWH from 0 mWH to 999 999 KWH WH W Time in hours AC Current 50 or 60 Hz Auto Range True RMS Crest Factor 4 CT 1 PCE 830 PCE 6801 Overload Protection AC 200A Range Resolution Accuracy of Readings 4 0...

Страница 55: ...entage is the same 0 5 But the additional digits should be multiplied by the VT ratio For example 5 digits becomes 5 digits VT PT ratio Range of VT Voltage Transformer Ratio 1 to 3000 Harmonics of AC...

Страница 56: ...0 50 99 th 0 1 6 of reading 2 0 PCE 830 PCE 3007 Range Resolution Accuracy 1 20 th 0 1 2 21 st 50 th 0 1 6 51 st 99 th 0 1 10 Harmonics of AC Current in Magnitude 1 to 99 th order Min current at the 5...

Страница 57: ...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 PCE 830 PCE 6801 or PCE 830 PCE 6802 Range Resolution Accuracy 0 00 1 00 0 01 0 04 PCE 8...

Страница 58: ...r ACA peak value 3 830 3 6801 10 of the range model 3 830 3 6802 20A model 3 830 3 3007 30A VT 1 Range Resolution Accuracy of Readings 1 00 99 99 0 01 5 30 digits Frequency in AUTO mode PCE 830 PCE 68...

Страница 59: ...to 50 th Harmonics If the voltage or current is 0 at 50 or 60 Hz all the percentage display is 0 PCE 830 PCE 6801 Range Resolution Accuracy 0 0 20 0 1 20 0 100 3 of reading 5 100 999 9 0 1 10 of read...

Страница 60: ...cords 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 Sto...

Страница 61: ...nual 10A 100A 1000A Cable Length 3000mm Battery powered by power analyzer Dimension 244mm L x 97mm W x 46mm H 9 6 L x 3 8 W x 1 8 H Weight 600g PCE 3007 Flexible Current Probe 3000A Probe Length 3007...

Страница 62: ...5 XII BATTERY REPLACEMENT When the low battery symbol is displayed on the LCD replace the old batteries with eight new batteries...

Страница 63: ...he 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...

Страница 64: ...performed by qualified personnel Periodically wipe the case with a damp cloth and detergent do not use abrasives or solvents For flexible probes PCE 3007 Always inspect the flexible current probe for...

Страница 65: ...Factor PF PF1 PF2 PF3 Power Factor of Each Phase PFH Long Term Average Power Factor WH SH 1 2 3 Phase Angle of Each Phase WH Watt Hours SH VA hours QH VAR hours HZ Selected Frequency 50 60 or Auto MD...

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