Table of Contents
Advertisement
2. Explanation of abbreviations and terms
2. Explanation of abbreviations and terms
2.1. General information
ATS:
Automatic Transfer Switch; automatic switching device
ATS021:
ATS of the ATS02x series, version with rotary switch and LEDs.
CB:
Circuit Breaker; low voltage automatic Circuit Breaker.
CB1:
CB on line LN1.
CB2:
CB on line LN2.
LN1:
Power supply line No.1.
LN2:
Power supply line No.2.
Lim:
Rotary switch of automatic/manual mode and voltage limit thresholds
Ts:
Rotary switch for setting Ts (See Chap. 2.2 – Times)
fn:
Rated plant frequency
2.2. Times
NOTE: All the details of the times and switching logics are described in the Chapters concerned.
TS:
- Opening delay of main line CB, after detection of fault in the mains (generator is not in
use)
- Generator start delay, after detection of fault in mains (generator in use).
TBS:
Opening delay of emergency line CB, after detection of stabilised voltage on main line
TGOFF:
Generator switching off delay, after closure of normal line CB.
TF:
fixed delay of emergency line CB closure, after detection of stabilised voltage on the same
line and fixed delay of normal line CB closure, after opening of emergency line CB.
1SDH000759R0002
Installation and operating instructions, ATS021
5
Advertisement
Table of Contents
