User`s guide

V3-T9-88 Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com
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9.3
Metering Devices, Protective Relays, Software and Connectivity
Metering Devices
Features, Benefits and Functions
Historical Values
●
Present demand current
(per phase) 5, 10, 15, 20,
25, 30, 45 or 60 minute
windows
●
Present demand watts,
VARs and VA 5, 10, 15, 20,
25, 30, 45 or 60 minute
windows:
●
Sliding or fixed window
for power Sync pulse
input (Model 4100)
Eaton’s PowerNet
broadcast demand sync
●
Minimum and maximum
values current (per phase):
●
Voltage (per phase,
L- L , L- N )
●
Watts, VARs and VA
●
Power factor
(displacement and
apparent)
●
Frequency
●
Peak values:
●
Percent THD parameters
●
Demand parameters
Protective and Event Alarming
●
Undervoltage
●
Overvoltage
●
Current phase loss
●
Voltage phase loss
●
Phase reversal
●
Phase unbalance
●
Optional current and
powerdemand threshold
Metered and Monitored
Parameters
●
rms sensing
●
Phase currents
●
V o l t s : L- L , L- N
●
Power: real, reactive,
apparent
●
Energy: real, reactive,
apparent
●
Frequency
●
Power factor
●
% THD: current and
voltage
●
Minimum and maximum
values
●
Fixed or sliding demand
windows
Communications
●
Optional interface
capability to computer
network for data collection,
storage and/or printout
via Eaton’s Power
Management Software
Physical Characteristics
●
Large visible LED display
●
Membrane Faceplate
NEMA 3R and 12 rated
Alarm and Protective Functions
●
Alarm/Protective functions
(all models) include:
●
Overvoltage
●
Undervoltage
●
Current phase loss
●
Voltage phase loss
●
Phase unbalance
●
Phase reversal
●
User-programmable alarm
and reset threshold levels
and delay intervals
●
Optional current and power
demand threshold
Description of Protection
Functions
Overvoltage
Range 105–140%
(5% increments).
Undervoltage
Range 60–95%
(5% increments).
Phase Unbalance
Deviation between any
two phases percentage of
nominal line voltage preset by
DIP switches. Range 5–40%
(5% increments).
Phase Reversal
Any two phases become
reversed for the selected
delay.
Voltage Phase Loss
Less than 50% of the
nominal line voltage
detected.
Current Phase Loss
Smallest phase current is
less than1/16 of the largest
phase current.
Delay
Allows a delay before an alarm
occurs. (Range 1–20 seconds
in 1 second increments.)
Note: Unit must be powered for
this to occur.
Inputs and Outputs
(4100 Model)
●
Three Form C relay outputs
selectable: Trip, Alarm,
kWh pulse initiator
●
One synch input for kW
utility demand sync
Standards and Certifications
Listings and Certifications
●
UL/cUL/CSA listed
●
CE mark EN61010-1,
EN50082-2