Operating Instructions

4.2.13Operation Scenarios/Transfer Procedures

Refer to the section listed below each figure for the operational procedure to perform the function indicated.

Figure 9 From start-up to normal operation, loads to be split between two distribution feeders

 

FROM:

 

TO:

Initial Conditions Prior to Startup

Normal Operation

System 1

System 2

System 1

System 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M1

 

M1

 

SS1

 

SS2

 

M2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tie Open

Tie

Load 1 Load 2

See 4.1 - Initial System Start-Up.

M2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M1

 

M1

 

SS1

 

SS2

 

M2

 

M2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tie Open

Tie

Load 1 Load 2

LEGEND: Mx = Module

SSx = Static Bypass Switch

Figure 10 From combined loads operation to loads split between two feeders

M1

FROM:

Combined Loads Operation

System 1

 

 

 

 

 

System 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M1

 

SS1

 

SS2

 

M2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M2

M1

TO:

Normal Operation

System 1

 

 

 

 

 

System 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M1

 

SS1

 

SS2

 

M2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M2

Tie

Tie Closed

Tie Open

 

Tie

Load 1 Load 2Load 1 Load 2

See 4.2.6 - Returning an Isolated System to Normal

LEGEND: Mx =

Module

Operation - End Combined Loads Operation.

SSx =

Static Bypass Switch

Figure 11 From continuous tied systems to loads split between two systems

M1

FROM:

Continuous Tied Systems

System 1

 

 

 

 

 

System 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M1

 

SS1

 

SS2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M2

M1

TO:

Normal Operation

System 1

 

 

 

 

 

System 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M1

 

SS1

 

SS2

 

M2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M2

Continuous Tie operation for module out of service

 

Tie Closed

Tie Open

 

Tie

Tie

Load 1

Load 2

Load 1

Load 2

See 4.2.11 - Returning Parallel Systems to Normal

LEGEND: Mx =

Module

Operation - End Continuous Tie.

SSx =

Static Bypass Switch

33

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Image 37
Liebert Series 610 user manual Operation Scenarios/Transfer Procedures