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.

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

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

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.

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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

Product Range

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

Rotating (brush or brushless) or Static

Yes

Yes, Discrete or Analog input

Yes

Redundant Models Only

Yes

Optional

Yes

Optional

Optional (2B & 4B)

Optional

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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

Products > Static Excitation Systems

Static Excitation Systems

The benefits are to provide:

Features of our Static Excitation Systems

AES100

AES 1000

Product Range

Technical Specifications

Technical Support:

Enquiry Form