TM Drive®-DC FCR Product Guide - System Drive Modernization
TM Drive-DC FCR Product Guide - System Drive Modernization
Upgrading Your DC Electric Power Rectifiers Control
Increase your DC power rectifier system's life, and obtain a higher performance, friendly diagnostic tools and wide LAN communication options using digital control at low cost.
Digital Control
The FCR (Firing Circuit Replacement) is a TMEIC GE microprocessor-based process controller with dedicated I/O system, designed to be the controller of medium to large complexity SCR (Thyristor) bridges where the need for advanced control requirements, high speed response, expanded diagnostic capability and various interfaces are beyond the capability of conventional analog control.
Firing Commands, Fast As Light
The fiber optic technology is a great advantage of the FCR, where the gating commands do not have any lag on the sequence and response. Using Electric-Light conversion technology with FOT (Fiber Optic Transmission Board), the firings are sent to a Light-Electric inversion board.
The firing pulses are sent to the Light-Electric transmission board, which allows the FCR
to control multiple bridge converters in 6 and 12 pulse configuration using 1 CPU and up to 24 pulse configuration using 2 CPU's.
Each fiber optic firing board has its healthy signals in benefit of maintenance and diagnose.
Fiber optic is also immune to electromagnetic interference, a very important feature while working in high current applications.
Diagnostic Tools
The GE Control System Toolbox is a Windows-based operator interface program used to configure, tune, andmonitor FCRs. Its userfriendly interface by using diagrams to view signal flow, sequencing, and regulator control in the FCR, which helps the operator in all levels of setup and operation with password security levels for protecting the configuration.
Regulation and sequencing is driven by a set of parameters which can be edited/monitored using any of three operator-selected methods:
TM drive-DC FCR Product Guide
Functionally organized menus block diagrams that detail the regulators and sequencing function.
Wizards that guide the user through a complete drive configuration and tune-ups.
The drive control window which allows the user to control the system from the toolbox, having the look and feel of the drive diagnostic Interface.
Trend Recorder
The trend recorder monitors and graphs signal values from toolbox and graphs data collection analysis (.dca) files. Data can also be saved and exported for other applications, such as spreadsheets like Microsoft Excel.
This application is configured using drag-and-drop to move a variable from the block diagram view to the trend recorder window which has an intuitive VCR-style interface for data record and playback. Live data can be sampled and viewed as fast as 20 ms.
It uses three methods to collect data:
Real Time mode is for low-to-medium-data collection rates, typically used for live monitoring.
Capture Buffer using the trace back data feature which trends several preset variables at high speed, during fault events and save them on non volatile memory for its post-analysis.
Data Historian mode for historical data contained *.Dca files. a given trend can display one or multiple data historian files using an innovation series controller, and a personal computer (pc). The program runs in the background as a service on the pc that is running the windows nt operating system and records the values of any egd or srtp signal on any ethernet connected to the pc on which the program is running.
Trace Back Data
If you experience a fault on FCR equipment, Toolbox allows you to view Fault History and Traceback Data. This feature is capable to collect up to 8 events, and several selected variables at speeds up to 244 us storing the event on non volatile memory, remaining even while powering down the equipment. It also eliminates the need of using an oscilloscope during the failure solution, because it is able to display the information of these variables in recorder window.
Remote Diagnostic Support
AMI GE offers the remote support option, where the distance monitoring is possible using either an internet connection, or telephone links to control the installed equipments through the maintenance pc and customers network. This feature reduces the time of diagnose and usually the equipments are put back in service faster.
LAN Interface Report
Wide open communication for interfacing with many PLC manufacturers.
Instrumentation Interface
Standard Display
The digital display alternates between speed, current, and fault code in the event of an error
RJ-45 ethernet port for local/remote toolbox connection
Ready, run, and alarm/fault LED's
Interlock button disables drive
Optional Graphic Keypad
Four configurable variable bar graphs with descriptive legends
Status icons reflecting health of drive at a glance
Dedicated drive control keys for manual operation of the drive
Full access to all parameters and variables
Configuration
RJ-45 Ethernet interface
10 Mbps maximum
Drive navigator option of TOSLINE-S20 to Ethernet connection using V-Series controller as gateway
Toolbox option of ISBus to Ethernet using Innovation Series Controller as gateway
D/A +- 10V
Meter Outputs
Armature and field current, _ 10V Quantity 5 configurable, _ 10 V
8-bits resolution
Adaptability
FCR is 100% compatible with the Canadian General Electric Indoor DC rectifier, and matches with several DC power bridges where AMI GE offers different options of replacement depending on the application and customer needs.
The FCR is provided with fast connectors (same as existing) to reduce transition time between existing and new system.
Control/fiber optic transmission/fiber optic reception/ gating commands conditioning (partial or complete replacement of gate drive panel).
Installation Support
AMI GE used to provide all the necessary information to properly install the supplied equipment. This information includes, single-line diagrams, hardware prints, installation manuals, installation best practices and necessary environmental conditions to ensure trouble free operation for many years to come.
Besides, AMI GE offers different options of projects, including:
Power bridge audits. As an option, the cells verification is recommended to ensure the reliability and good conditions of the rectifier.
Snubbers and fuses status verification. Theprotection devices revision is an additionalservice to help preventing from futuremalfunctioning on the cells.
Complete start up and commissioning service with "turnkey" option*
*Terms and Conditions should be discussed in agreement.
FCR Upgrade For Electric Power Circuit
The rectifiers supplied before the 80's use old-fashion analog technology, which used to be reliable, but nowadays productivity and quality requirements on manufacturing processes require an urgent upgrade, to keep being competitive on the market.
Upgrade could become expensive regarding equipment, and installation requirements, but the replacement can be selective, reusing the existingpower rectifiers and devices in good conditions which most of the time, represents the biggest part of the investment cost.
Motors generally can also be reused, unless the new control scheme requires higher torque or speed.
The FCR is an AMI GE product, offered to solve the needs of upgrade, which otherwise, would represent a huge and sometimes, not really needed big investment. The FCR is designed to substitute analog gating control of SCR is with new digital circuitry, obtaining with it, ultimate generation diagnostic tools.
Multi rectifiers COI Windows
Depending on the system, the FCR can be complemented with a master control for processes, Interlocks and additional I/O either with a PLC or ISC (Innovation Series Controller) and user friendly HMI or COI (Control Operator Interface) screens.
Electric Arc Furnace
An Electric Arc Furnace (EAF) is a furnace that heatscharged material by means of an electric arc.EAF range in size from small units of approximately one ton capacity up to about 400 ton units.Electric arc furnace differs from induction furnaces in that the charge material is directly exposed to the electric arc, and the current in the furnace terminals passes through the charged material.For steelmaking, direct current (DC) arc furnaces are used, with a single electrode in the roof and the current return through a conductive bottom lining or conductive pins in the base. The advantage of DC is lower electrode consumption per ton of steel produced, since only one electrode is used, as well as less electrical harmonics and other similar problems.
Ship Propulsion
DC Machines are still used nowadays on shippropulsion, where usually 3 or more diesel generators, are used to supply medium voltage power to Isolation transformers, which feed 12 pulses non-regenerative SCR power bridges.
These converters are used to control up to several megawatts DC motors, giving the main propulsion (port or starboard) or the turn side propulsion.
Rolling Or Break Down Mill
A Rolling Mill is a machine or factory for shaping metal by passing it between a pair of work rolls.rolling mills are often incorporated into integratedsteelworks, but also exist as separate plants and can be used for other metals, and other materials.depending on the temperature of the metal beingrolled, rolling mills are typically hot or cold rolling mills.
AMI GE, leading the expertise on power bridges such as indoor rectifiers, distinguishes itself for providing high-quality automation solutions usingthe latest technology. We thoroughly analyze our customers needs to understand them clearly and propose the best solution.The custom made design, using the most-fitting transducers according to the application needs, besides the 24/7 remote/site support, are theAMI GE best qualities.
More information: http://www.firingcircuitreplacement.com
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