Automatic ASCO switches of the A 300 series (AVR)
Parameters of switching are set on the microprocessor panel:
|Range of regulation of U otkl. from the main source||65%-90% of Unom.|
|Range of regulation of U incl. the main source||85%-95% of Unom|
|Tension of shutdown of an emergency source||75% of Unom|
|Tension of inclusion of an emergency source||90% of Unom|
|Frequency with which the emergency source is disconnected||75% of Unom|
|Frequency with which the emergency source back joins||90% of Unom|
Ranges of regulation of temporary delays
|1. Blocking of short-term losses of tension:
1 sec. or 3 sec.
|2. Switching on an emergency source||of 0 sec. till 5 min.|
|3. Switching on the main source||of 1 sec. till 30 min.|
|4. Work of DES without loading (cooling of the diesel generator)||5 min.|
|5. Built-in device of trial launch of the engine (testing)||Once a week for 20 min.|
|6. "Sukhoi" contact for shutdown/inclusion of part of load before/after switching of the reserve/main source||0 sec., 3 sec., 10 sec., 20 sec.|
Possibility of management
1. The microprocessor control panel has RS485 or RS232 port for connection of the remote computer that allows to control parameters of a network and to operate operation of the switch remotely with the help of the software of POWER Manager the ASCO Switch of a series 300 is installed on any removal from the diesel generator.
2. Management of work of an avtomaticheskogopereklyuchatel by means of external signals (dry contacts)
3. Start of the test when switching load of a reserve source from the control panel Installation of the modes of automatic training of the diesel generator
The automatic ASCO switch is completed with the clips made of the special silver alloy allowing to use both aluminum, and copper power cables for connection. Diameter of a clip considers the section of an aluminum cable on the maximum current of the switch.