Specifications

NAIROBI OPERATIONAL HUB
UNOPS Building, UN Lane, Off UN Avenue Tel: [phone]
P.O Box 783,Village Market, 00621 E-mail: [e-mail]
Nairobi, Kenya Website: www.unops.org
UNOPS is ISO 9001 certified
Alternator components shall be sound electrically and
mechanically in continuous operation lasting over 24 hours at the
rated output.
15. Insulation Resistance
Insulation resistance of the machine at strategic points shall be
provided with the offer submitted with the shop drawings.
16. Dielectric Strength
The dielectric strength, the voltage of testing and test procedure at
various points of the machine shall be submitted with the shop
drawings.
17. Vibration
Vibration at the fixed components of the alternator under excited
no-load operation shall be as per relevant BS.
18. Terminal Symbol
a) Terminal symbols for the alternator shall be in accordance
with BS 822 requirements.
b) The alternator shall be provided with protection against
over speed, over voltage, over current, short circuit, reverse
power, earth fault and any other found necessary.
The neutral points of alternators shall be solid by connecting to
earth.
19. Panel Wiring
a) All wiring of battery charger, exciter and control panel
shall be P.V.C. tropical grade of adequate current carrying
capacity to prevent over-heating under worst climatic
conditions.
b) All wiring shall conform to the relevant BS and at least
50% derated with minimum size of 2.5 sq. mm. or its
equivalent.
20. Terminal Board
a) Terminal boards shall have pairs of terminals for Incoming
and Outgoing wires and not more than two wires shall be
connected to any one terminal.
b) Insulating barriers shall be provided between adjacent