Three Phase Hydro Hydroelectric Power Water Turbine Unit Synchronous Generator Alternator Brushless Excitation System PID,PI,PSS For Phase modulation Voltage current regulation Reactive power automatic adjustment power system stability control

Hydro generator excitation

AVR regulator/controller

KL-46, KGLF-1B-1P,KGEC-1C,09E,09D,08D,C900,09C, WL8012, SMEA6,XLT-IC-3,KLSF

For structure of cubicles,the excitation system includes:

1. Excitation power/ rectifier cubicle,such as KZL-1000

2. Excitation regulation cubicle,such as EXC9000,SLT2000-2T, WLT02

3. Excitation discharge cubicle/de-excitation cubicle

4. Excitation integrated cubicle(integrated the above 3 to 1 cubicle, mainly for small generator&plant )

Excitation of generator:

1. Microcomputer static thyristor excitation

2. Brushless AC exciter(rotating-diode)excitation

3. Automatic constant voltage excitation with double winding shunt reactors

4. Triple frequency harmonic rectification excitation

5. DC exciter excitation…

Double AVR channels, double power converters, single/double cabinets configuration

Fault self-diagnosis, fault recording function, dual redundant design

Residual voltage excitation, DC excitation, voltage increase from zero, system voltage tracking, under excitation, over excitation, forced/strong excitation ratio, regulation coefficient, control angle, trigger angle, loss of field/excitation protection, active and reactive compensation, voltage building, de-excitation, strengthening magnetization, weakening magnetization

Control:

1. PID control: basic control rules of voltage regulation

2. PI control: basic control rules of current regulation

3. PSS Control: power system stability control

Linear optimal excitation regulation

Nonlinear adaptive excitation adjustment

Phase modulation, voltage regulation and reactive power automatic adjustment

Generator outlet voltage, rated excitation voltage, excitation current, excitation system operating voltage

4 operating/running modes: Automatic, manual, constant reactive, constant power factor

1. Automatic adjustment of constant generator terminal voltage

2. Manual adjustment of constant generator rotor current

3. Constant reactive power regulation

4. Constant power factor adjustment

Flexible electric brake