E-Mon E-PS-S-HV-RTU User Manual
Page 9
Chapter 1 Introduction
PowerSmart Socket Power Quality Meter
9
Meter Features
Billing/TOU
•
Accuracy class 0.2 ANSI C12.20 (current class 10 and 20)
active energy and class 0.5 reactive energy polyphase static
meter
•
Time-of-Use, 10 billing energy and maximum demand
registers, 8 tariff rates, 4 seasons x 4 types of days, 8 tariff
changes per day
•
One-time easy programmable tariff calendar schedule,
programmable or calendar scheduled daylight savings switch
dates
•
Tariff switching options: automatic via a tariff calendar
schedule, external via communications or digital inputs
•
Configurable triggering an end of billing period: automatic
monthly,
local
via
the
front
display,
remote
via
communications
•
Automatic recording billing energy, maximum demand and
cumulative maximum demand registers for last 24 billing
periods
•
Automatic 120–day daily energy and maximum demand profile
•
Automatic 120-day/15-minute or 240-day/30-minute energy
load profile
•
Easy access to the three previous billing period data via the
front display
•
Dynamic instrument transformer correction; up to 8 test points
for both ratio and phase angle error correction for external PTs
and CTs
•
Power transformer/line loss compensation
Multi-functional Power Meter
•
High-accuracy 3-phase Power meter: true RMS volts and
amps, powers, power factors, unbalance, neutral current,
frequency
•
Demand Meter: amps, volts, harmonic demands, block and
sliding power demands
•
Harmonic Analyzer: up to 50th harmonic volts and amps;
fundamental volts, amps, power and power factor, phasor,
symmetrical components
Power Quality
•
EN 50160 Power Quality (PQ) recorder: onboard power quality
analyzer; programmable limits; EN 50160 power quality event
log, EN 50160 compliance statistics; EN 50160 harmonics
survey statistics
•
Power frequency, voltage variations, rapid voltage changes,
IEC 61000-4-15 flicker, voltage dips, interruptions, temporary
overvoltages, transient overvoltages, voltage unbalance, IEC
61000-4-7 harmonic and interharmonic voltage, mains
signaling voltage