Electrical Motors & Starters
Reference: 3574/2016 7/27/2016, Location: Middle East
Category: Motors & Drives
Scope of Work
The company announces its need for supply of electrical motors & starters.
The instruments to be supplied are as follows: -
- Item 001 Qty=1, 3phase induction motor, with output power 1150 kw, 3300 v, 50 HZ, lP 55, ambient temp max 55 c degree, 750 r.p.m , lC 611, duty type S1, insulation class F , temp . rise B , direction of rotation anti clock wise (from shaft end ).
- Item 002 Qty=2, Motor start up panel to be manufactured with the following specification: -
1- Metal - enclosed cubic including high reliability circuit breakers, load break switches, contactors, disconnectors , H.V fuses ,instrument transformers .
2- Auto transformer type ONAN with tap 70% of the rated voltage 3300V
3- Motor rated power 1L50 KW.
4- Standards in accordance with l.E.C international recommendatio
5- Degree of protection, IP 44
6- Ambient temp, 55 c degree
7- Type of contactors, Vacuum with surge arrestors or SF6.
8- Bus bar, copper
9- The panel should have :-
a)Protection for the motor against prolonged starting, locked rotor ,earth fault , negative sequence ,
b)Under voltage relay with time delay.
c)The protection relay should be for protection purpose and not for control .
10- On the front door :
a)Local/Remote swith
b)Start, stop, reset push buttons
c)lndication lamp for on/off /fault
d)Ammeter
e)Voltmeter (indicating the 1ph voltage )
p)Hours run meter.
g)lndication/ Blown of power fuses
|
