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AC auxilary power suply system
AC auxilary power suply system

AC auxilary power suply system are intended to receive alternating current electricity from power transformers with a capacity of up to 1000 kVA at substations of voltage classes up to 750 kV and a capacity of up to 3150 kVA at other industrial facilities and for further energy distribution. System has a cabinet design and are combined into a panel at the installation site.

Cabinets allow integration into the automated control system using the following protocols: ModBus (RTU, TCP/IP), IEC 60870-104.


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Aftersales service
Implemented QMS
ISO 9001
Assistance
in eqipment selection
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AC auxilary power suply system receives electricity from several power sources, which are independent of each other. Then this energy is distributed among the connected consumers, which can be:

  • Electric motors and actuating system;
  • Protective controllers;
  • Signalling systems;
  • Emergency pumps for oil transformers;
  • Inverters.
In addition, the AC auxilary power suply system can be used by operating personnel to connect various power tools, when servicing a substation or troubleshooting any problems.

  • Centralized or distributed microprocessor system for monitoring parameters and status of outgoing lines;
  • Microprocessor ATS devices with logic of operation for any needs of the Customer based on industrial controllers and logical programmable relays;
  • Power quality analyzers both at inputs and outgoing bays;
  • Current-limiting/selective input and sectioning breakers;
  • Terminal rows for connecting power cables;
  • Light indication of the state of outgoing lines;
  • Devices for technical/commercial metering of electricity;
  • Surge overvoltage protection devices;
  • Mnemonic diagram on the front side of the cubicle.

 Parameter  Value
 Rated current
 Up to 5000 A
 Rated voltage
 Up to 660 V
 Dynamic short circuit strength  10,16,50 kA
 Thermal short circuit strength  Up to 30 kA
 Input and sectioning breakers  withdrawable
 Environmental rating  Up to IP 64 GOST 14254-2015
 Maintenance  single-sided/double-sided
 Cable entry (bus)  bottom/top/side
 Heigh  2000, 2200 mm
 Width  500, 600, 800 mm
 Depth  600, 800, 1000 mm
 Protection rating of conductive parts when the door is open                                  Up to IP 20
 Level of internal separation  Up to 3 b
 Climatic modification and category of placement (location)  UHL 3.1 or UHL 4.2 acc. to GOST 15150-69 
 Grounding system  TN-C, TN-S, TN-C-S
 Seismic resistance of cubicles  Up to 9 acc. to MSK-64        


Send us a message and our engineers will promptly answer all your questions.
Send a message and our engineers will promptly answer all your questions.
Send us a message and our specialists will promptly answer all your questions.
Service support
Warranty and post-warranty service, commissioning, supervision, engineering services, service centers, design and redesign
Our advantages
In-house manufacture

Our own production line allows us to ensure high quality and short production time

Social responsibility

Our main tasks in the field of social policy are creation of decent working conditions for employees as well as assistance to orphanages and homes for the elderly

Service

Employees of the company or service centers personally carry out troubleshooting at the facility within 2–5 days (travelling time excluded)

Quality

The equipment manufactured by our company has certificates of conformity and is regularly certified


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