4UPS Operation

Operating Modes

Af1e/ 5,2 i+01a)) a+d a--)5 -,4e/ 1, 1he ￿￿￿, 1he ￿￿￿ fi)1e/0 a+d /eg2)a1e0 i+c,*i+g AC -,4e/, e)i*i+a1i+g +,i0e a+d 3,)1age 0-i(e0, a+d -/,3ide0 c,+0i01e+1 -,4e/ 1, 5,2/ e.2i-*e+1 (0ee ￿ig2/e￿14). Whi)e -,4e/ i0 a--)ied 1, 1he ￿￿￿, 1he *ai+1e+a+ce6f/ee ba11e/5 i0 a21,*a1ica))5 (e-1 i+ a f2))56cha/ged c,+di1i,+.

Bypass

Input Plug

EMI/RFI Input

Filter Circuit

Breaker

Load Relay

AC Input to BDM

Optional

Battery Module/

EBC

 

Rectifier

 

Battery

 

Circuit

 

Breaker

Optional

Battery Module

Battery Module

 

Inverter

Battery Charger

UPS Load

UPS Load

BDM

Figure 14. UPS Block Diagram

Normal Mode

D2/i+g ￿,/*a) ￿,de, 1he ￿￿+dica1,/ i))2*i+a1e0 a+d 1he f/,+1 -a+e) di0-)a50 1he -e/ce+1age ,f ￿￿￿ ),ad ca-aci15 bei+g 20ed b5 1he -/,1ec1ed e.2i-*e+1 (0ee￿￿ig2/e￿15).

OVERLOAD

I1

I2

I3

OUTPUT ON

￿￿AD￿￿￿

￿￿AD￿￿￿

￿￿AD￿￿￿

￿￿AD￿￿￿

￿￿AD￿￿￿￿

A￿￿￿￿X.

A￿￿￿￿X.

A￿￿￿￿X.

A￿￿￿￿X.

￿￿￿￿A￿

81-100%

61-80%

41-60%

0-40%

￿￿￿￿￿￿Y

￿￿AD

￿￿AD

￿￿AD

￿￿AD

 

Figure 15. Normal Operation Indicators

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Lucent Technologies 3000 VA manual Operating Modes, Normal Mode