AEC#

block

Block appearance in REPEAT VISION#

 Automatic excitation control (AEC) is a device that acts on the excitation system of synchronous machines in order to maintain the voltage in the electrical network at a given level.

1.  Properties#

Property

Default Value

Description

Units of measurement

Generator rated current

7.446

–

kА

Transformer resistance

0.2

–

r.u.

Statism

8

–

%

Voltage deviation gain

30

–

–

Voltage first derivative gain

2

–

–

Frequency deviation gain

1

–

–

Frequency first derivative gain

1

–

–

Rotor current first derivative gain

4

–

–

Integrator gain, 1/T (time constant)

1/4

–

–

Maximum integrator value, 1.2\(\cdot U_{max}\) (maximum voltage value)

1.2\(\cdot\)6

–

–

Maximum voltage value

6

–

V

2.  Inputs and outputs#

Parameters

Input/Output

Description

Units of measurement

Port type

Reactive component of generator current

Input

–

kА

Automation

Setpoint

Input

–

r.u.

Automation

Voltage

Input

–

r.u.

Automation

Rotor speed

Input

–

r.u.

Automation

Rotor current

Input

–

r.u.

Automation

AEC output

Output

–

V

Automation

In order to see the connection capabilities of the block, you need to go to page Description of block ports