Yokogawa PC-Based MX100 User Manual

Page 1211

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25-13

IM MX190-01E

25

DARWIN for Extended API Constants and Types

Power Measurement Parameters

Mnemonic

Description

DAQDA100_POWERITEM_I0

(I1+I2+I3)/3

DAQDA100_POWERITEM_I1

Effective current 1

DAQDA100_POWERITEM_I2

Effective current 2

DAQDA100_POWERITEM_I3

Effective current 3

DAQDA100_POWERITEM_I13

(I1+I3)/2

DAQDA100_POWERITEM_P0

P1+P2+P3

DAQDA100_POWERITEM_P1

Active power 1

DAQDA100_POWERITEM_P2

Active power 2

DAQDA100_POWERITEM_P3

Active power 3

DAQDA100_POWERITEM_P13

P1+P3

DAQDA100_POWERITEM_PF0

P0/(P0

2

+VAR0

2

)

1/2

=P0/VA0

DAQDA100_POWERITEM_PF1

Power factor 1

DAQDA100_POWERITEM_PF2

Power factor 2

DAQDA100_POWERITEM_PF3

Power factor 3

DAQDA100_POWERITEM_PF13

P13/(P13

2

+VAR132)

1/2

=P13/VA13

DAQDA100_POWERITEM_PH0

tan

-1

(VAR0/P0)

DAQDA100_POWERITEM_PH1

Phase 1

DAQDA100_POWERITEM_PH2

Phase 2

DAQDA100_POWERITEM_PH3

Phase 3

DAQDA100_POWERITEM_PH13

tan

-1

(VAR13/P13)

DAQDA100_POWERITEM_V0

(V1+V2+V3)/3

DAQDA100_POWERITEM_V1

Effective power 1

DAQDA100_POWERITEM_V2

Effective power 2

DAQDA100_POWERITEM_V3

Effective power 3

DAQDA100_POWERITEM_V13

(V1+V3)/2

DAQDA100_POWERITEM_VA0

VA1+VA2+VA3

DAQDA100_POWERITEM_VA1

Apparent power 1

DAQDA100_POWERITEM_VA2

Apparent power 2

DAQDA100_POWERITEM_VA3

Apparent power 3

DAQDA100_POWERITEM_VA13

VA1+VA3

DAQDA100_POWERITEM_VAR0

VAR1+VAR2+VAR3

DAQDA100_POWERITEM_VAR1

Reactive power 1

DAQDA100_POWERITEM_VAR2

Reactive power 2

DAQDA100_POWERITEM_VAR3

Reactive power 3

DAQDA100_POWERITEM_VAR13

VAR1+VAR3

DAQDA100_POWERITEM_FREQ

Frequency

25.2 DARWIN Constants

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