Power quality display, Energy display, Chapter 3 using the rdm data display – SATEC SA300 ezPAC Operation Manual User Manual

Page 31: Sa300 substation automation unit

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Chapter 3 Using the RDM

Data Display

SA300 Substation Automation Unit

31

Page Label

Parameter

Units

LED

Maximum voltage V1/V12

V1/V1-2 - kV1/kV1-2

Maximum voltage V2/V23

V2/V2-3 - kV2/kV2-3

5

Hi

Maximum voltage V3/V31

V3/V3-1 - kV3/kV3-1

Maximum current I1

A1

Maximum current I2

A2

6

Hi

Maximum current I3

A3

Maximum total kVA

kVA/MVA

Maximum total power factor

PF

7

Hi

Maximum total kW

kW/MW

Maximum neutral current

A Neut.

Maximum frequency

Hz

8

Hi

Maximum total kvar

kvar/Mvar

Maximum volt demand V1/V12

V1/V1-2 - kV1/kV1-2

Maximum volt demand V2/V23

V2/V2-3 - kV2/kV2-3

9

Hd

Maximum volt demand V3/V31

V3/V3-1 - kV3/kV3-1

Maximum ampere demand I1

A1

Maximum ampere demand I2

A2

10

Hd

Maximum ampere demand I3

A3

Maximum sliding window kVA demand

kVA/MVA

Power factor (import) at maximum kVA demand

PF

11

Hd

Maximum sliding window kW import demand

kW/MW

Power Quality Display

Press the THD/TDD key. The THD or TDD LED illuminates. Use the UP/DOWN
arrow keys to scroll through harmonics measurements.

The following table lists the available display pages. Note that voltage harmonics

readings are phase-to-neutral in 4LN3 and 3LN3 wiring modes, and phase-to-phase
in all other modes.

Page Label

Parameter

Units

LED

THD V1/V12

V1/V1-2 - kV1/kV1-2

THD V2/V23

V2/V2-3 - kV2/kV2-3

1

thd.

THD V3/V31

V3/V3-1 - kV3/kV3-1

THD I1

A1

THD I2

A2

2

thd.

THD I3

A3

TDD I1

A1

TDD I2

A2

3

tdd.

TDD I3

A3

K-Factor I1

A1

K-Factor I2

A2

4

HF

K-Factor I3

A3

Pst V1/V12

V1/V1-2 - kV1/kV1-2

Pst V2/V23

V2/V2-3 - kV2/kV2-3

5

1

PSt

Pst V3/V31

V3/V3-1 - kV3/kV3-1

Plt V1/V12

V1/V1-2 - kV1/kV1-2

Plt V2/V23

V2/V2-3 - kV2/kV2-3

6

1

PLt

Plt V3/V31

V3/V3-1 - kV3/kV3-1

1

With firmware V10.04.XX or V10.05.XX

Energy Display

Press the ENERGY key. The MVAh, Mvarh, or MWh LED illuminates. Use the
UP/DOWN arrow keys to scroll through energy measurements.

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