SPECIFICATIONS
EATON
Powerware
®
Energy Management System (EMS) Upgrade Kit User’s Guide
S
164201724 Rev 1
www.powerware.com
59
Table 17. Metering
Panel Monitoring Rating
Maximum 400A
CT1, CT2, CTM connections: 240V CAT III
V1, V2 connections: 208V CAT III for EMS−UGK−LV, 415V CAT III for EMS−UGK−HV
Branch Circuits
Monitors up to 84 individual branch circuit breakers (two 42−circuit panels)
Calibration
Fully calibrated at the factory
Clock
Real Time Clock (RTC) with one−second resolution, automatic leap year adjustment,
and one month backup time
Sampling Frequency
Current and voltage for each breaker sampled 2000 times per second with a
bandwidth of 1 KHz
Current Accuracy
Main input:
±
2% from 10–100% of full range
Branch circuit:
±
5% from 10–100% of full range
Voltage Accuracy
±
2%
Blinding Thresholds
(zeroing of low meters)
Panel breakers: 1/16 of breaker rating
Main current: <6A
Neutral current (installed Neutral CT): <6A
Neutral current (calculated Neutral): <15A
THD alarming: Phase current <20% of maximum phase current rating
Содержание 208/120V
Страница 1: ...Powerware Energy Management System EMS Upgrade Kit 208 120V 380 220V 400 230V 415 240V User s Guide...
Страница 4: ......
Страница 71: ......
Страница 72: ...1642017241 164201724 1...