Power calculation modes – SATEC PM130 PLUS Manual User Manual

Page 74

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‎Chapter 5 Configuring

T H E P M 1 3 0 P L U S

General

M E T E R S E T U P

74

PM130 PLUS Powermeter Series

Display

Label

Parameter

Options

Default

Description

rESL

Device Resolution

Lo = Low

Hi = High

Low

The voltage, current and power

resolution on the front display

(see

Measurement Units

in

Chapter 3) and in

communications (see

communication guides)

U.ScL

Volts Scale, V

60-828 V

144 V

The maximum voltage scale

allowed, in secondary volts. See

Data Scales

in Appendix F

C.ScL

Amps Scale, A

1.0-10.0 A

2

CT

secondary

The maximum current scale

allowed, in secondary amps.

See

Data Scales

in Appendix F

Figure ‎5-7: General Setup Dialog Box – Device Options Tab

Power Calculation Modes

The power calculation mode option allows you to change the method for
calculating reactive and apparent powers in presence of high harmonics.
The options work as follows:

When the reactive power calculation mode is selected, active and
reactive powers are measured directly and apparent power is
calculated as:

2

2

Q

P

S

This mode is recommended for
electrical networks with low harmonic
distortion, commonly with THD < 5%

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