uninterrupted power supply of KURS-NG ITsFR.421451.020 computing and measuring complex (CMC) in the absence of supply voltage or when its parameters exceed the permissible limits;
uninterrupted power supply of different automatic systems and equipment of automated control systems (ACS) of GDS in the absence of supply voltage or when its parameters exceed the permissible limits.

Area of Application

BPSU is intended for operation as part of GDS automatic systems including other utility distributing stations (oil, steam etc.).
BPSU is a self-contained unit and is intended for operation as part of hardware and software complexes controlling parameters and technological process in different industries, transportation and other branches of national economy.

Description

BPSU is based on uninterruptible power supplies (UPS), which perform the following functions:

double conversion of electric energy;
reliable operation without switching to power supply from batteries within a wide range of input voltage parameters;
"cold” start up (start up of UPS in the absence of supply-line voltage);
representation of UPS operation mode and input and output power supply on LCD, sound signalling in a real-time operation mode;
reliable protection against disturbances, overshoots, interference, noise etc.;
remote monitoring of parameters via RS-232 interface;
automatic charger for connected external batteries.

BPSU may comprise one or two UPS, each of which is connected to a set consisting of eight batteries.

Constituent parts of BPSU (including off-hand batteries) are installed in a cabinet of the floor mounted version with the opening door for convenience of mounting and working.

Technical characteristics

Description of parameters	Value	Notes
Nominal input AC voltage, V	220
Permissible range of input voltage change, V	160–300	70–100% load
	118–300	50–70% load
	160–300	50% load
Input voltage frequency, Hz	46-54
Number of independent power supply outputs	Up to 2	Specified at order of BPSU
Nominal consumed power (rated input) At full load and fully charged batteries, VA	350	For one power supply output
	700	For one power supply output
Maximum consumed power At full load and fully charged batteries, VA	1000	For one power supply output.
	2000	For one power supply output
Nominal sinusoidal input voltage	220/230/240 ±2%	220 V (in supply)
Output voltage frequency, Hz	Synchronization to line	While operating off a supply line
Output voltage frequency, Hz	50 ± 0,5%	While operating on batteries
Nonlinear harmonic distortion coefficient for each output %	< 4	At linear load
Maximum load power connected to each output, VA	300
Operation time in the absence of input voltage and maximum level of batteries charge, h	48	For maximum load at each output
Overall dimensions of BPSU cabinet (HxWxD), mm	1900х800х600	Height (allowing for basement)
Weight, at least	1000

Operation conditions

Temperature, °С	0–40
Humidity, %	0–95	Without condensation moisture
Period of service, years	12	Allowing for batteries

BPSU consists of:

uninterrupted power supplies (up to 2);
sets of batteries (up to 2, each set has 8 batteries);
terminal blocks for input and output power supply, interface lines RS-232;
protection device against secondary effects of lightning (lightning protection);
input and output breakers with automatic switch off function at reloading.