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Multiple Generator Applications for Prime Power
Where municipal power is not available, two or more generators are synchronized
with each other to supply continuous power for loads, and they share the loads in
proportion with their individual ratings. Depending on the load of the workplace,
these generators are switched on and off for cost-efficient use.
Selected References:
- Demirsan Haddecilik San. Tic. A.Ş. / SUDAN - 3 x 2120 kVA - 2 x 1915 kVA
- Saudi Diesel Generators Company Ltd. - 10 x 680 kVA
- Petroleum Exploration Mediterranean Inc. (Pemi) -
4 x 685 kVA
- Katar Airport - 3 x 680 kVA
Multiple Generator Applications for Stand-by Power
If municipal power network goes out of its pre-selected limits, two or more generators
are switched on synchronous with each other and supply power for the actual loads
in proportion with their individual ratings. When municipal power network is restored
to its pre-selected limits, the generators transfer their loads back to the network.
Selected References:
- City's Nişantaşı Shopping Center, Istanbul - 2 x 1540 kVA - 560 kVA
- Konya Justice Courts, Turkey - 4 x 880 kVA
- Brt Sinandağ Transmitter Station, Cyprus - 2 x 330 kVA
- Armada Shopping Center, Turkey - 5 x 740 kVA
- Medical Park Hospital, Gaziantep, Turkey - 2 x 775 kVA
- Medical Park Hospital, Bursa, Turkey - 3 x 680 kVA
- Medical Park Hospital, Bakırköy, Turkey - 3 x 775 kVA
- Casper Bilgisayar Sistemleri A.Ş. - 2 x 715 kVA
- Basra / IRAQ - 2 x 3125 kVA
- Teknorat Otomotiv - 2 x 1425 kVA
Continuous Parallel Operation
Given that power utility companies charge different unit prices for different hours
of a day, charge a higher price when the power consumed exceeds a pre-defined amount,
or limit the power available to consumers in certain regions due to insufficient
infrastructure, it is advantageous for the consumers to continuously generate power
in parallel with municipal power network. A few parallel operation methods are available.
The first method is the base load peak lopping method where a pre-defined portion
of the active load is powered by a generator system and the remaining portion of
said load is powered by municipal power network. This method is favored for cogeneration
systems where the load is fixed. Another method is the true peak lopping method
where the power drawn from municipal power system is limited, and the amount of
power exceeding such limit is supplied by a generator. This method is preferred
where the unit price is high for consumption above a certain limit or power available
in municipal power network is limited.
Selected References:
- Girne American University, Karmı Campus, Cyprus - 2 x 600 kVA
- Ministry of Internal Affairs, Turkish Republic of Northern Cyprus - 3 x 530 kVA
- Great Man Project, Metis Site, Tripoli, LIBYA - 2 x 275 kVA
Multiple Networks
If a workplace receives power from two or more municipal networks and one of them
fails, the generators are switched on synchronously and begin to supply power for
the load. A coupling breaker is switched off to supply power to the loads from a
single busbar instead of the two transformers used by said networks. When the network
is restored, the generators transfer the loads back to the networks.
Selected References:
- Çalık Enerji Power Plant, Dashogus, Turkmenistan - 2 x 2120 kVA
- Ataşehir Memorial Hospital, Istanbul - 4 x 715 kVA
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