CHAPTER 1: OVERVIEW

 

 

 

1.4

Specifications

 

 

1.4.1 Inputs/Outputs

 

 

POWER SUPPLY

 

 

Range:

D2 Option: Universal, 90 to 265 V AC at 50/60Hz, or 100 to

 

 

370 V DC

 

 

D Option: 18 to 60 V DC

 

Power consumption:

5 VA, 3.5 W

 

VOLTAGE INPUTS (MEASUREMENT CATEGORY III)

 

Range:

Universal, Auto-ranging up to 416 V AC L-N, 721 V AC L-L

 

Supported hookups:

3-element Wye, 2.5-element Wye, 2-element Delta,

 

 

4-wire Delta

 

Input impedance:

1 MOhm/phase

 

Burden:

0.0144 VA/phase at 120 Volts

 

Pickup voltage:

10 V AC

 

Connection:

Screw terminal (see Voltage Connection on page 3–8)

 

Maximum input wire gauge:

AWG #12 / 2.5 mm2

 

Fault withstand:

Meets IEEE C37.90.1

 

Reading:

Programmable full-scale to any PT ratio

 

CURRENT INPUTS

 

 

Class 10:

5 A nominal, 10 A maximum

 

Class 2:

1 A nominal, 2 A maximum

 

Burden:

0.005 VA per phase maximum at 11 A

 

Pickup current:

0.1% of nominal

 

Connections:

O or U lug (see CT Leads Terminated to Meter on page 3–

 

 

6);

 

 

Pass-through wire, 0.177" / 4.5 mm maximum diameter

 

 

(see Pass-Through Wire Electrical Connection on page

 

 

3–7);

 

 

Quick connect, 0.25" male tab

 

 

(see Quick Connect Electrical Connection on page 3–7)

 

Fault Withstand:

100 A / 10 seconds, 300 A / 3 seconds, 500 A / 1 second

 

Reading:

Programmable full-scale to any CT ratio

1.4.2Metering

MEASUREMENT METHODS

Voltage and current:

true RMS

Power:

sampling at 400+ samples/cycle on all channels

 

measured; readings simultaneously

A/D conversion:

6 simultaneous 24-bit analog-to-digital converters

UPDATE RATE

 

Watts, vars, and VA:

100 ms (10 times per second)

All other parameters:

1 second

1–6

EPM 6000 MULTI-FUNCTION POWER METERING SYSTEM – USER GUIDE

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GE EPM 6000 Multi-function Power Metering System instruction manual Specifications, Inputs/Outputs
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