Technical specifications, 4. operating modes, Starting and stopping – GE Industrial Solutions ASTAT-CD Plus User Manual

Page 13: Override energy savings

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3. Technical Specifications

3-4

3-4. Operating modes

Initial ramp

Initial voltage (pedestal)

Kick start

Acceleration ramp

Current limit

Permanent state

Stopping modes

(All selectable)

Override

Energy savings

Starting by voltage ramp

Starting by current limitation

5 main frequency cycles

30 to 95% Un (adjustable via initial torque setting T)

95% Un. Enabled by parameter "Pxxx" to ON, 0-999 ms (adjustable)

1-99 sec (adjustable). Dual ramp option.

Linear speed ramp by tacho feedback also possible

Fast ramp (if motor is up to speed before end of normal ramp time

)

100% to 450% x Ir/In Max 700% In

Rated voltage (override)

Rated current

Energy savings. Enabled by "Fxxx" to OFF

Motor power cut-off. "Sxxx" to OFF, "Cxxx" to OFF

Deceleration ramp 1-120 sec (adjustable). Secondary ramp 1-99 sec

Ramp down modes available are:

- Soft Stop -Voltage ramp down-. Enabled by "Sxxx" to ON

- Pump control. Selectable by "Sxxx" to ON and "Cxxx" to ON

- Linear ramp down (Tacho feedback needed)

Evolution of current in deceleration ramp mode

DC brake (0-99 sec adjustable). Enabled by "Bxxx" to ON

Starting and Stopping

1

8

7

6

5a

5

4

3a

2

1a

8a

9

3

Override

Energy savings

4

l/ln

8a

9

9

6

7

t

1A

1

2

3

3A

3

U/Un

5

8

9

9

7

t

1A

1

2

3

3A

3

U/Un

8

9

9

7

6

t

1

1

4

l/ln

8a

5a

9

9

7

t

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