User`s guide

V3-T9-176 Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com
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9.4
Metering Devices, Protective Relays, Software and Connectivity
Protective Relays
Technical Data and Specifications
Control Power
●
Control voltage:
●
48–125 Vac/Vdc
●
100–240 Vac/Vdc
●
Operating voltage:
●
55–264 Vac
●
38–300 Vdc
●
Interruption ride-through
time: 20 cycle interruption
of nominal ac supply
●
Power consumption: 20 VA
maximum
Current Inputs
●
Nominal (I
n
): 1A or 5A
●
CT rating:
●
2 x I
n
continuous
●
80 x I
n
for 1 second
●
CT burdens:
●
< 0.25 VA at 5A
(nominal)
●
< 0.05 VA at 1A
(nominal)
Voltage Transformer Inputs
●
Nominal: 120 Vac
●
Operating range: 69–
150 Vac
●
Burden:
●
<0.015 at 120 Vac
●
1 megaohm
Metering Accuracy
●
Phase current:
●
±0.5% or ±0.025A from
0.02–20 per unit fully
offset current waveform
●
Ground current:
●
±0.5% of full scale (I
n
)
from 0.02–2.0 per unit
fully offset current
waveform
●
Phase voltage: ±0.5% or
±0.2V from 0–160 Vac
●
Frequency measurement
accuracy: ±0.02 Hz
●
Phase angle: ±1ºC
●
Power metering accuracy:
±1.5%
●
Metering accuracy
temperature range: 32ºF to
122ºF (0ºC to 50ºC)
●
Temperature range: ±5%
for operation below 32ºF
(0ºC) and above 122ºF
(50ºC)
●
Relay outputs:
●
2 Form C, NO and NC
●
5 Form A, NO only
●
Input signal frequency
necessary for accurate
operation:
●
60 Hz nominal, 57–63 Hz
(±5%)
●
50 Hz nominal, 47–53 Hz
(±5%)
●
Clock accuracy:
●
Free running ±1 minute/
month at 25ºC
●
Clock automatically
updated by PowerNet
host when present
Protective Functions
Phase and Ground
Overcurrent Protection
●
Inverse characteristics:
Mod, Very, Extremely,
IECA, IECB, IECC, It, I
2
t,
I
4
t, Flat
●
TOC (51) pickup range:
0.1–4.0 per unit in 0.01
steps
●
Time multipliers: 0.05–10.0
in 0.01 steps
●
IOC (50) pickup range: 0.1–
20.0 per unit in 0.01 steps
●
Pickup accuracy: ±1%
(at 0.1–2 per unit)
●
Time delay: 0–9999 cycles
in 1 cycle steps
●
Time accuracy: ±3% or
±30 ms
●
Directional (67, 67N, 67G):
forward, reverse or both
Voltage Unbalance (47)
●
Threshold (minimum
voltage) 1–100 volts in
1 volt steps
●
% V2/V1: 4–40% in
1% steps
●
Time delay: 0–9999 cycles
in 1 cycle steps
Current Unbalance
●
Threshold (minimum
current) 0.1–20.0 per unit
in 0.01 steps
●
% I2/I1: 4–40% in
1% steps
●
Time delay: 0–9999 cycles
in 1 cycle steps
Under/Overvoltage Protection
●
Pickup range: 10–150 volts
in 1 volt steps
●
Time delay: 0–9999 cycles
in 1 cycle steps
Under/Over Frequency
Protection
●
Pickup range: 45–65 Hz in
0.01 Hz steps
●
Time delay: 0–9999 cycles
in 1 cycle steps
Breaker Failure Protection
●
Pickup range: 0.1–5.0 per
unit in 0.01 steps
●
Time delay: 0–9999 cycles
in 1 cycle steps
Power Protection (32)
●
Forward/reverse:
over/under
●
Pickup accuracy: ±1.0%
●
Trip time accuracy:
0 to 12 cycles or 0.1%,
whichever is greater
Sync Check (25)
●
Phase angle: 1 to 60°C
●
Slip frequency: 0.1 to 2 Hz
●
Voltage differential: 1 to
100 volts
●
Breaker close time: 0 to
9999 cycles
Power Factor
●
Trigger/reset threshold: 0.5
lag to 0.5 lead in 0.01 steps
●
Time delay: 0–1000
seconds in 1 second steps
Discrete Inputs
●
Number of contact
inputs: 8
●
Rating: 48 Vdc wetting
voltage provided with
internal ground only
Output Contacts
●
Number of output
contacts: Five Form A and
two Form C
Rating of Output Contacts
●
Momentary:
●
Make 30A AC/DC for
0.25
seconds
●
Break 0.25A at 250 Vdc
(resistive)
●
Break 5A at 120/240 Vac
●
Continuous:
●
5A at 120/240 Vac
●
5A at 30 Vdc
Logic and Control Functions
●
Six programmable logic
gates for AND, OR, NAND,
NOR operation
●
Two latching (flip/flop)
gates
●
Six timer gates provide
on/off delays
INCOM Communications
●
Baud rate: 9600 fixed
●
Maximum distance:
10,000 feet (3,048m)
●
Protocol: INCOM
RS-485 Communications,
Rear Panel
●
Baud rate: 19.2K, 9.6K
●
Protocol: Modbus RTU
RS-232 Communications,
Front Panel
●
Baud rate: 38.4K, 19.2K,
9.6K
●
Connector standard 9-pin
subminiature, three-wire
●
Protocol: INCOM
Environmental Ratings
●
Operating temperature:
–0ºF to +140ºF (–40ºC to
+60ºC) Product tested to
+185ºF (+85ºC)
●
Storage temperature:
–40ºF to +185ºF (–40ºC to
+85ºC)
●
Humidity: 5–95% relative
humidity (noncondensing)
●
Altitude: 0–6350 feet
(0–1935m) above Mean Sea
Level