Arbiter Systems 1040C Скачать руководство пользователя страница 27 | Manualshive

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25

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AUX. V.

VOLTAGE

CURRENT

1040C

PANEL

METER

CALIBRATOR

REMOTE

Black

Red

A C A M M E T E R

YOKOGAWA

103131

+

AUX. V.

VOLTAGE

CURRENT

1040C

PANEL

METER

CALIBRATOR

REMOTE

Blac

k

Red

A C V O LT M E T E R

Y O K O G AWA

1 0 3 0 2 1

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Содержание 1040C

Страница 1: ...0800A 9 92 CALIBRATING METERS AND TRANSDUCERS WITH THE MODEL 1040C PANEL METER CALIBRATOR ARBITER SYSTEMS INC 1324 VENDELS CIRCLE SUITE 121 PASO ROBLES CA 93446 805 237 3831 FAX 805 238 5717 PD0010800A 9 92 ...

Страница 2: ...r 4 Volt Amps and Volt Amps Reactive 5 Using the 1040C for Calibrating Polyphase Devices 7 A C Voltage 7 A C Current 7 A C Power 7 Phase Angle 8 Power Factor 8 Volt Amps and Volt Amps Reactive 10 Calibrating Transducers Using the Null Comparison Method 11 Connection Diagrams 12 Phase Power Factor and VAR Convention Diagram 23 Appendix A Meter Examples 24 ...

Страница 3: ...ion and distribution The 1040C Panel Meter Calibrator can be configured to perform eight calibration functions Voltage ac and dc Current ac and dc Frequency Power Power Factor Phase VARs Synchroscope A front panel keyboard and display allow direct selection of values for all of the parameters shown above Entered values can be further modified using a knob also located on the front panel A percent ...

Страница 4: ...operation manual A C Current Calibration of a single phase transducer or meter for ac current follows virtually the same process as for ac voltage meters and transducers except that only the current output of the 1040C is used rather than only the voltage output Representative schematics are given in figure 3 for typical circuit installations of single phase ac current meters and transducers Conne...

Страница 5: ...ed by A After this is completed pressing the Operate key will enable the outputs which will increase to the respective values entered An equal sign on the front panel display indicates that the current and voltage outputs and the phase angle between them have stabilized at the proper values The calibration procedure for the meter or transducer under test can then be performed The power value can b...

Страница 6: ...to the output current lagging the output voltage After entering the value for phase angle the operator may adjust the value by using the control knob or by using the Up or Down keys For more complete instructions on operation of the 1040C for phase angle calibrations refer to section 2 5 1 of the operation manual Power Factor The Power Factor in a circuit is equal to the cosine of the phase angle ...

Страница 7: ... Vars are calculated as the product of the RMS voltage the RMS current and the sine of the phase angle between the two For an illustration of the relationship between phase angle and vars when using the 1040C refer to figure 12 The 1040C has a provision for displaying and modifying both volt amps and vars successively pressing the Power key during operation will first display watts then vars then ...

Страница 8: ...6 detailed instructions on operating the 1040C in the volt amps and volt amps reactive modes refer to section 2 5 6 of the operation manual ...

Страница 9: ...so be connected to the 1040C in the same manner as shown in figure 8b with the same total voltage burden restriction A C Power Power measurement in a three phase four wire system requires three complete watt meters or watt transducers each watt meter or transducer consists of one current element and one voltage element Figure 9a shows a typical connection diagram for measurements of this type A cu...

Страница 10: ...he transducer and the 1040C current output leads are connected to the current input terminals of the meter or transducer If the transducer uses an external current transformer one of the current output leads of the 1040C should be passed through the center of the current transformer and then shorted to the other lead If the meter or transducer uses an external potential transformer then likewise i...

Страница 11: ...to vary the displayed power factor This method allows entry of lead or lag power factor values without having to first calculate the corresponding phase angle Calibration of the transducer should be performed according to the instrument manufacturer s recom mendations Typical applications of power factor meters for multi phase systems involve circuit connections which are similar if not identical ...

Страница 12: ...ly be modified to a point within the current range of the 1040C If the necessary current exceeds this range the display will indicate Entry Error Additionally if the phase angle is set to zero and the user attempts to enter any var value other than zero Entry Error will be indicated This is because under these conditions no value of voltage or current will produce anything other than zero vars Typ...

Страница 13: ...tial meter dislays zero The advantage of this method is that since the input signals are exactly the same the accuracy of the source and the equipment used to measure it are inconsequential The calibration accuracy is dependent only on the individual accuracies of the precision standard and of the differential meter Precision standards are usually available from the manufacturers of the transducer...

Страница 14: ...ducer Typical Installation no Potential Transformer L O A D Figure 1 Single Phase Voltage Meters and Transducers Typical Circuit Connections V L I N E L1 N L1 N b Voltmeter Typical Installation with Potential Transformer L O A D V Inst Pwr Output L1 N L I N E L1 N d Voltage Transducer Typical Installation with Potential Transformer L O A D ...

Страница 15: ...ions no Potential Transformer Figure 2 Single Phase Voltage Meters and Transducers Typical Circuit Connections 1040C Vout 1040C Vout R B V Inst Pwr Output d Voltage Transducer Calibration Connections with Potential Transformer 1040C Vout R B V b Voltmeter Calibration Connections with Potential Transformer 1040C Vout R B R B ...

Страница 16: ...tput L1 N L O A D L1 N L I N E c Current Transducer Typical Installation no Current Transformer d Current Transducer Typical Installation with Current Transformer L1 N L1 N L I N E L O A D Figure 3 Single Phase Current Meters and Transducers Typical Circuit Connections L I N E N L1 L1 N L O A D Inst Pwr Output L I N E N L1 L1 N L O A D ...

Страница 17: ...nt Transformer c Current Transducer Calibration Connections no Current Transformer d Current Transducer Calibration Connections with Current Transformer Figure 4 Single Phase Current Meters and Transducers Calibration Connections R B 1040C out 1040C out R B Inst Pwr Output 1040C out R B Inst Pwr Output 1040C out R B ...

Страница 18: ...ucer Typical Installation with Current and Potential Transformers Figure 5 Single Phase Watt Var or Power Factor Meters and Watt Var Power Factor or Phase Transducers Typical Circuit Connections Current Connections Voltage Connections Current Connections Voltage Connections L1 N L I N E L O A D L1 N W Var PF Current Connections Voltage Connections L1 L1 N N L O A D L I N E L1 N L I N E L O A D L1 ...

Страница 19: ...nt or Potential Transformers d W Var PF PA Transducer Calibration Connections with Current and Potential Transformers Figure 6 Single Phase Watt Var or Power Factor Meters and Watt Var Power Factor or Phase Transducers Calibration Connections R B R B 1040C out Vout Current Connections Voltage Connections Current Connections Voltage Connections R B B R 1040C out Vout 1040C out Vout R B R B Current ...

Страница 20: ... 1 1 1 1 ZA ZB ZC Total Burden Current Where V Output Voltage of 1040C Zx Impedance of Transducer or Meter x at Frequency of Operation c Burden Calculation b Meters 1040C out Vout VA VB VC R B 1040C out Vout A B C Vin Vin Vin Outputs To DVM s R B a Transducers Inst Pwr ...

Страница 21: ...cers or Meters Total Burden Voltage Where Output Current of 1040C Zx Impedance of Transducer x at Frequency of Operation c Burden Calculations 1040C out VA VB VC b Meters a Transducers 1040C out A B C in in in Outputs To DVM s R B Inst Pwr ZA ZB ZC R B ...

Страница 22: ... Power Measurement in a 3 Phase 4 Wire System using a 3 Element Transducer L1 L2 L I N E L1 L2 L O A D L3 N in Vin in in Vin Vin L3 N Inst Pwr Output L1 L2 L I N E L3 in Vin in Vin L1 L2 L O A D L3 A B b Circuit Connections for Power Measurement in a 3 Phase 3 Wire System Using a 2 Element Transducer ...

Страница 23: ...1 Figure 10 Calibration Connections for 3 Element Watt Transducer Current and Potential Transformers are included for reference Inst Pwr Output to D V M A B C in Vin in in Vin Vin 1040C Vout out R B R B ...

Страница 24: ... Typical Circuit Connections L1 L2 L I N E L1 L2 L O A D Inst Pwr Output to D V M in Vin L3 N L3 N Note Wiring Also Applies for 3 Phase 3 Wire System Inst Pwr Output to D V M in Vin 1040C Vout out b Typical Calibration Connections R B R B ...

Страница 25: ... PF 1 0 Vars 0 W VA Phase 135 PF 707 Lag Vars 707 VA W 707 VA Phase 45 PF 707 Lag Vars 707 VA W 707 VA Conventions Used in the 1040C Power Factor Cos θ Vars Vrms Irms Sin θ Watts Vrms Irms Cos θ VA Vrms rms Where θ Theta Phase Angle between voltage and current A negative number indicates that current is lagging voltage Example Figure 12 Phase Power Factor and VAR Conventions Employed by the 1040C ...

Страница 26: ...he following pages contain connection diagrams for use in calibrating various types of Yokogawa panel meters These illustrations are for reference only the manufacturer s data sheets should be consulted to insure proper connections ...

Страница 27: ...25 AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Black Red AC AMMETER YOKOGAWA 103131 AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Black Red AC VOLTMETER YOKOGAWA 103021 ...

Страница 28: ...0C PANEL METER CALIBRATOR REMOTE Red Black Black Red 3 WIRE 3 PHASE WATTMETER YOKOGAWA 10322 103712 1 4 5 6 9 11 7 8 2 3 4 WIRE 3 PHASE WATTMETER AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Red Black Red Black YOKOGAWA 10325 103732 ...

Страница 29: ...RENT 1040C PANEL METER CALIBRATOR REMOTE Red Black Black Red YOKOGAWA 10321 103702 10331 103762 WATT WATT VAR VAR 1 4 5 6 7 8 3 2 3 WIRE 3 PHASE VARMETER AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Black Red Red Black YOKOGAWA 103812 10328 10332 103772 ...

Страница 30: ...VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Red Red Black Black 4 WIRE 3 PHASE 2 1 2 ELEMENT VARMETER YOKOGAWA 10329 103742 FREQUENCY METER AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE YOKOGAWA 103372 Black Red ...

Страница 31: ...ETER CALIBRATOR REMOTE Red Black Black Red SINGLE PHASE POWER FACTOR METER YOKOGAWA 103412 1 4 5 6 7 8 3 2 3 PHASE POWER FACTOR METER FOR BALANCED SYSTEM AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Red Red Black Black YOKOGAWA 103462 ...

Страница 32: ...30 1 4 5 6 9 11 7 8 2 3 4 WIRE 3 PHASE POWER FACTOR METER AUX V VOLTAGE CURRENT 1040C PANEL METER CALIBRATOR REMOTE Black Red Black Red YOKOGAWA 103472 ...

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