Matrix Telecom Inverter System
56
Copyright © 2008-2010 Eaton Corporation. All Rights Reserved.
IPN 997-00012-68D February 2010
STS Output
Nominal Output Voltage Same as utility voltage or inverter output
Permissible Frequency Area Max. +/-2.5% (inverter synchronization)
Transfer Time Typical 1/4 cycle
Rated Power STS-050: 50A
STS-100: 100A
Operation Methods Inverter priority / Mains priority
Over load protection 20s 120% I
nom
5s 160% I
nom
STS-050 : I
nom
= 50A, STS-100 : I
nom
= 100A,
Note: When Mains has the priority, and STS is in off-line
mode, if change the priority to Inverter, then STS will
estimate the load capability of Inverter to decide whether
transfer to on-line mode. If the current load exceeds the load
capability of Inverter, STS will not transfer to on-line mode;
otherwise it will transfer to on-line mode 5s later.
Over temperature operation
On-line mode:
When the temperature of heat sink in STS is over 85ºC, the
static switch will power the load through the internal bypass
relay, and the SCR2 on the side of the inverter will be open. If
the temperature reaches 90ºC, the bypass relay will be open,
and the load will have no power unless STS is restarted. The
system will re-establish the power through the inverter with
SCR2 close and relay open, when the temperature is within
65ºC, STS returns to normal mode.
Off-line mode: When the temperature of heat sink in STS is over 85ºC, the
static switch will transfer to on-line mode if Inverter is
normal, then the over temperature protection is the same as
on-line mode.
To Next Page
Loading...
Need help?
General