EPM 2200 POWER METER – INSTRUCTION MANUAL TOC–1
Table of Contents
1: THREE-PHASE POWER
MEASUREMENT
THREE PHASE SYSTEM CONFIGURATIONS ........................................................................... 1-1
WYE CONNECTION .......................................................................................................................... 1-1
DELTA CONNECTION ...................................................................................................................... 1-3
BLONDEL’S THEOREM AND THREE PHASE MEASUREMENT ......................................... 1-4
POWER, ENERGY AND DEMAND ............................................................................................... 1-6
REACTIVE ENERGY AND POWER FACTOR ............................................................................. 1-9
HARMONIC DISTORTION .............................................................................................................. 1-11
POWER QUALITY .............................................................................................................................. 1-13
2: OVERVIEW AND
SPECIFICATIONS
HARDWARE OVERVIEW ................................................................................................................. 2-1
V
OLTAGE AND CURRENT INPUTS ...................................................................................... 2-2
O
RDER CODES ..................................................................................................................... 2-2
M
EASURED VALUES ............................................................................................................ 2-3
U
TILITY PEAK DEMAND ....................................................................................................... 2-3
SPECIFICATIONS ............................................................................................................................... 2-4
COMPLIANCE ..................................................................................................................................... 2-8
ACCURACY .......................................................................................................................................... 2-9
3: MECHANICAL
INSTALLATION
INTRODUCTION ................................................................................................................................ 3-1
ANSI INSTALLATION STEPS .......................................................................................................... 3-2
DIN INSTALLATION STEPS ........................................................................................................... 3-3
4: ELECTRICAL
INSTALLATION
CONSIDERATIONS WHEN INSTALLING METERS ................................................................. 4-1
CT L
EADS TERMINATED TO METER ................................................................................... 4-2
CT L
EADS PASS-THROUGH (NO METER TERMINATION) ................................................ 4-3
Q
UICK CONNECT CRIMP CT TERMINATIONS ................................................................... 4-5
V
OLTAGE AND POWER SUPPLY CONNECTIONS .............................................................. 4-6
G
ROUND CONNECTIONS .................................................................................................... 4-6
V
OLTAGE FUSES .................................................................................................................. 4-6
ELECTRICAL CONNECTION DIAGRAMS .................................................................................. 4-7
D
ESCRIPTION ........................................................................................................................ 4-7
(1) W
YE, 4-WIRE WITH NO PTS AND 3 CTS, NO PTS, 3 ELEMENT ............................ 4-8
(2) W
YE, 4-WIRE WITH NO PTS AND 3 CTS, 2.5 ELEMENT ........................................ 4-11
(3) W
YE, 4-WIRE WITH 3 PTS AND 3 CTS, 3 ELEMENT .............................................. 4-12
(4) W
YE, 4-WIRE WITH 2 PTS AND 3 CTS, 2.5 ELEMENT ........................................... 4-13
(5) D
ELTA, 3-WIRE WITH NO PTS, 2 CTS ....................................................................... 4-14
(6) D
ELTA, 3-WIRE WITH 2 PTS, 2 CTS ......................................................................... 4-15
(7) D
ELTA, 3-WIRE WITH 2 PTS, 3 CTS ......................................................................... 4-16
(8) C
URRENT-ONLY MEASUREMENT (THREE-PHASE) .................................................... 4-17
(9) C
URRENT-ONLY MEASUREMENT (DUAL-PHASE) ...................................................... 4-18
(10) C
URRENT-ONLY MEASUREMENT (SINGLE-PHASE) ................................................ 4-19
5: COM OPTION S:
MODBUS/KYZ OUTPUT
CONNECTING TO THE RS485/KYZ OUTPUT PORT ............................................................. 5-1