APPLICATIONS

The 2301E-HT for Francis Turbines is a standard off-the-shelf control system designed to control small Francis turbines.

This turbine controller contains specially designed algorithms and logic to start, stop, control, and protect the turbine.

With two serial communication ports, users can easily connect the 2301E-HT to a plant or process control system.

The controller’s inputs, outputs and status can be monitored and all start/stop or enable/disable commands can be issued via industry standard Modbus® RTU.

The controller can be configured in the field using Control Assistant software installed on an external PC.

Description

The control is housed in a sheet metal enclosure for general premises and consists of a single printed circuit board.

The 2301E-HT controller is designed for turbine control.

It includes three PID controllers (offline, online and load), startup routines and a variety www.abb-drive.com of protection functions (overspeed, etc.) that can be configured by the user to meet the requirements of a specific turbine application.

The 2301E-HT can be configured by the user to use different PID controllers, start-up routines, discrete and analogue I/O functions without the need for a dedicated control engineer.

The 2301E-HT controls the speed and load of a Francis hydraulic turbine in a generator application with a single gate analogue output.

Features.

Field configurable optional start (auto/manual)/stop/unload routines

Liquid level control (pond or tailrace)

Creep detection

Local/remote control

Generator circuit breaker logic

Horizontal switching of speed, gate position and loads

Overspeed test logic

Speed/descent (power and position)/base load control

Remote analogue setpoints for speed, level and power

Selectable actuator outputs (4-20mA/0-200mA/0-20mA)

Dual speed inputs

Linknet hyperthreading extension function

Speed/load/gate switching

Brake Permit Logic

Gate Limit Values

Breaker open commands

Trips and alarms

Serial port communication (RS-232 or RS422)

System Protection:

Overspeed protection logic

Nondisturbance switching between control modes

Local/remote control priority

Part Number 8237-2046: Francis Turbine 2301E-HT

2301E-HT includes

 1 Actuator driver, 4-20 mA, 0-20 mA, 0-200 mA

 2 MPU speed sensor

 1 configurable analogue output

 2 configurable analogue inputs

 8 discrete (switching) inputs – 5 fixed, 3 configurable

 4 discrete (relay driver) outputs – 1 fixed, 3 configurable

 RS-232 Communications Port: Modbus® RTU or Service/Configuration

 RS-422 Communications Port: Modbus RTU

 CAN Communication Port: LINKnet HT® I/O Expansion

The 2301E-HT has an operating temperature range of -40 to +70 °C (-40 to +158 °F).