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Products > Static Excitation Systems

Static Excitation Systems

With over 30 years of experience in system integration, retrofitting, sizing, assembling, installing, and commissioning excitation systems for small to large generator and synchronous motors, our American made AES series exciters offer a highly reliable and cost-effective solution.

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The benefits are to provide:

PulseTech provides technical support for product selection, applications engineering, retrofitting, installation supervision and commissioning for our static excitation systems. We are specialist in the replacement of existing legacy static exciters and help you extend the life of your plant without significant investment. We can specially design and manufacture our exciters to be interchangeable with your existing exciter characteristics and interfaces so that you can easily carry out the replacement during routine maintenance of your plant.

Please send us an enquiry with details of your excitation control requirements, our product specialists will promptly assist you with your request.

Applications

  • Synchronous motors

  • Generators

Static Excitation Systems | PulseTech
Static Excitation Systems | PulseTech

Features of our Static Excitation Systems

• True RMS voltage and current sensing

• Cross Current Compensation (CCC) available with single phase sensing

• Voltage matching

• DC Field Current/Voltage sensing

• Internal power stage 20A or 30A; and up to 200A with external bridge

• Easy configuration and programming using LS-ACT commissioning tool

• User friendly interfaces include advanced monitoring and control features

• PID Control with Dual Settings

• Auto & Manual Channels

• VAR or Power Factor control mode

• Step response utility for PID validation

• IEC-61131-3 Programming

• Internal auto / manual tracking

• Field Current or Field Voltage regulation (manual) control mode

• Rotating Exciter Diode Monitoring

• Soft Start Voltage Build-up

• Voltage Control Mode (Auto)

• Reactive Load Sharing via communications

• Local & Remote control

• Auto Synchronization (optional)

• Optional accessories: 15” HMI touchscreen, Ethernet Switch, Fault Ground detection Relay,

Cabinet door mounting kit

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AES100

AES-110 Digital Excitation Control System provides up to 200 amps in one compact, high performing, highly flexible, cost-effective design for synchronous motors and generators. The modular design utilizes a proven, high performance, off-the-shelf, commercially available processor, and I/O module system. The user-friendly LS-ACT commissioning tool and multiple remote communications options make it very versatile for a wide range of applications. The cost-effective system comes complete with a two-year warranty.

Static Excitation Systems | PulseTech
Static Excitation Systems | PulseTech

AES 1000

The AES1000 is a full static system with bridge sizes from ranging from 50A to 4000A for simplex or redundant systems. It is a cost effective, flexible and efficient alternative to commercially available excitation systems for synchronous machines.

Available bridge sizes

  • 50A, 480VAC

  • 200, 480VAC

  • 400A, 480VAC

  • 800A, 600VAC

  • 1500A, 800VAC

  • 4000A, 800VAC

Static Excitation Systems | PulseTech

Product Range

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Technical Specifications

IEC-61131-3 Programming

 <0.20% voltage sensing of rated full-scale DC output

Field Excitation

Unit Over Voltage Protection (59)

Field Over Current Protection (51E)

Field Over Voltage Protection (59E)

​​​​Loss of Voltage Sensing Protection (60LOP)

Loss of Field Protection (40)

​​Volts/Hertz Protection (24)

Field Over Temperature Protection (26E)

Exciter Power Transformer Over Temperature Protection (26EPT)

​​Thyristor Bridge Temperature Monitoring for Protection (using temp sws)

Field Flashing Failure Protection (48FF)

Watchdog

​​

Volt/Hertz Limiter (VHL)

Over Excitation Limiter (OEL)

Under Excitation Limiter (UEL)

Stator Current Limiter (SCL)

Terminal Voltage Limiter (TVL)

Instantaneous Field Current Limiter (INS)

Reactive Current Compensator (Line Droop / Drop)

Cross Current Compensation (CCC) 

Step Response Utility for PID Validation

PID Control with Dual Settings 

Local & Remote Control 

Auto & Manual Channels 

Internal Auto / Manual Tracking 

Redundant Channel Tracking

Field Current or Field Voltage Regulation (Manual) Control Mode

VAR or Power Factor Control Mode

Rotating Exciter Diode Monitoring

Realtime Trending @ 1 sec Sample Rate and 7 day History with 15” Operator Interface

Realtime Data Recording for Tuning and Commissioning

Transient Data Recorder 4-32 msec Sample Rate with Adjustable Pre-Trigger

Oscillography Data Recorder 0.5 msec Sample Rate with Adjustable Pre-Trigger

Sequence of Events with time stamping to 1 msec 

Event Logging (historical / active alarms)

Extensive Alarm and Trip Monitoring

 

L&S Electric’s Advanced Commissioning Tool (LS-ACT) for System Tuning, Configuration and Setup

 

Serial Port - Modbus RTU for local OIT

 

Ethernet - Modbus TCP/IP for Remote Communications

 

Ethernet IP

 

Ethernet - DNP3 

 

IEC-60870-5-101 or 104 

IRIG-B Time Synchronization

NTP Time Synchronization for OIT and Processor Timing, only

Reactive Load Sharing Via Communications

Soft Start Voltage Build-up

User Configurable Logic, using Controller Programming Software

Voltage Control Mode (Auto)

PTP Time Synchronization

Power System Stabilizer

Auto Synchronizing / Synch. Check

Yes

Yes

Rotating (brush or brushless) or Static

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes, Discrete or Analog input

Yes

​Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Redundant Models Only

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

 

Optional

Optional

Optional

Yes

Yes

Yes

Yes

Yes

Yes

Optional

Optional (2B & 4B)

Optional

Static Excitation Systems | PulseTech

Technical Support:

PulseTech provides local technical support for:

  • Application engineering

  • Installation Engineering

    • mark up of existing customer drawings (by hand or electronically)

    • specify cabling for scope of supply

    • installation wiring to/from list 

  • Troubleshooting

  • Installation Supervision

  • Commissioning 

  • Excitation system configuration, system protection and limiter setpoint calculation and coordination

  • Power systems modelling

Static Excitation Systems | PulseTech
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