Powerware 650825 kVA operation manual Tie

UNDERSTANDING UPS OPERATION

	A	B			A	B
*		*		*		*
E1	UPS 2		E6	E1	UPS 1		E6
E2			E7	E2			E7
		Fuse				Fuse
E3			E8	E3			E8
	CB1		E12		CB1		E12
	(optional)				(optional)
	K1				K1
			CB4				CB4
	Rectifier				Rectifier
		Static				Static
		Switch				Switch
	Fuse				Fuse
		K5				K5
	Fuse				Fuse
	Fuse				Fuse
	Inverter				Inverter
	K3				K3
	Battery				Battery
	Converter				Converter
			Fuse				Fuse
			K2				K2
	C	E4. E5			C	E4. E5
		Battery Breaker				Battery Breaker
E9,				E9,				TIE
	BATTERY SYSTEM				BATTERY SYSTEM			CABINET
E10,				E10,
E11,		(Not supplied		E11,		(Not supplied		(Optional)
E12		with the UPS)		E12		with the UPS)		MOB 1
	D				D
								MOB 2

A – AC Input to UPS Rectifier

B – AC Input to Bypass

C – DC Input from Battery

D – UPS AC Output to Tie Cabinet

E – Output to Critical Load

*– Overcurrent Protection provided by customer

NOTE This oneline does not show each UPM in the UPSs, but represents each UPS in the distributed bypass system. The internal structure of each UPS is shown Figure 6-5through Figure 6-8starting on page 6−8.

E

AC Output to Critical Load

NOTE If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral

conductor connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.

Figure 6-21. Typical Distributed Bypass System (1+1 and 2+0 Configurations)

EATON Powerware® 9395 UPS (650–825 kVA) Installation and Operation Manual S 164201725 Rev 2 www.powerware.com 6−27