Yokogawa PC-Based MX100 User Manual

Page 559

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11-9

IM MX190-01E

DARWIN Constants and Types

11

Power measurement parameters

Mnemonic

Description

DAQDARWIN_POWERITEM_I0

(I1+I2+I3)/3

DAQDARWIN_POWERITEM_I1

Effective current 1

DAQDARWIN_POWERITEM_I2

Effective current 2

DAQDARWIN_POWERITEM_I3

Effective current 3

DAQDARWIN_POWERITEM_I13

(I1+I3)/2

DAQDARWIN_POWERITEM_P0

P1+P2+P3

DAQDARWIN_POWERITEM_P1

Active power 1

DAQDARWIN_POWERITEM_P2

Active power 2

DAQDARWIN_POWERITEM_P3

Active power 3

DAQDARWIN_POWERITEM_P13

P1+P3

DAQDARWIN_POWERITEM_PF0

P0/(P0

2

+VAR0

2

)

1/2

=P0/VA0

DAQDARWIN_POWERITEM_PF1

Power factor 1

DAQDARWIN_POWERITEM_PF2

Power factor 2

DAQDARWIN_POWERITEM_PF3

Power factor 3

DAQDARWIN_POWERITEM_PF13

P13/(P13

2

+VAR132)

1/2

=P13/VA13

DAQDARWIN_POWERITEM_PH0

tan

-1

(VAR0/P0)

DAQDARWIN_POWERITEM_PH1

Phase 1

DAQDARWIN_POWERITEM_PH2

Phase 2

DAQDARWIN_POWERITEM_PH3

Phase 3

DAQDARWIN_POWERITEM_PH13

tan

-1

(VAR13/P13)

DAQDARWIN_POWERITEM_V0

(V1+V2+V3)/3

DAQDARWIN_POWERITEM_V1

Effective power 1

DAQDARWIN_POWERITEM_V2

Effective power 2

DAQDARWIN_POWERITEM_V3

Effective power 3

DAQDARWIN_POWERITEM_V13

(V1+V3)/2

DAQDARWIN_POWERITEM_VA0

VA1+VA2+VA3

DAQDARWIN_POWERITEM_VA1

Apparent power 1

DAQDARWIN_POWERITEM_VA2

Apparent power 2

DAQDARWIN_POWERITEM_VA3

Apparent power 3

DAQDARWIN_POWERITEM_VA13

VA1+VA3

DAQDARWIN_POWERITEM_VAR0

VAR1+VAR2+VAR3

DAQDARWIN_POWERITEM_VAR1

Reactive power 1

DAQDARWIN_POWERITEM_VAR2

Reactive power 2

DAQDARWIN_POWERITEM_VAR3

Reactive power 3

DAQDARWIN_POWERITEM_VAR13

VAR1+VAR3

DAQDARWIN_POWERITEM_FREQ

Frequency

11.2 DARWIN Constants

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