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On-Line Application of DSAToolsTM
Security Assessment in Near-Real-Time
The DSAToolsTM are designed to provide on-line security assessment when used in the real-time sequence of
the control center's energy management system (EMS). The software works with a solved powerflow provided by the state-estimator
and communicates with the EMS via flat files or TCP/IP network connection. Powertech's DSAManagerTM controls all computations
which are conducted on a dedicated cluster of
computers and, if necessary, distributed processing is used to meet performance requirements. Results may be passed back to the EMS
console or are accessible locally or remotely..
Comprehensive Security Assessment - Fast and Accurate
The software performs voltage security, transient security, and small signal stability analysis in a user-defined cycle-time
(or on event triggering). Basic results provided to the operator include critical contingencies, criteria violations, security limits,
the performance of key system variables, and required remedial actions for insecure system conditions. Unlike other on-line security
applications, the DSAToolsTM do not use simplified analytical techniques which often overlook critical phenomena
and which, therefore, can provide misleading security assessments. In addition to the rigorous assessment of "common" issues such as voltage
stability and transient stability, Powertech software also detects dangerous transient voltage and frequency dips, oscillatory problems, and
violation of relay margins.
Improve Your System Security Today
Powertech can work directly with you, or with your EMS vendor, to implement the DSAToolsTM in your control room.
A number of major EMS vendors are licensed resellers of our products, so ask your vendor about the DSAToolsTM today.
Some of the utilities and system operators that have selected Powertech software for on-line use include,
- American Transmission Company (USA)
- Beijing Electric Power Corporation (China)
- British Columbia Transmission Corporation (Canada)
- Bonneville Power Administration (USA)
- East China Power Grid Company (China)
- Entergy (USA)
- ERCOT (USA)
- ESB National Grid (Ireland)
- ESKOM (South Africa)
- FirstEnergy (USA)
- Guang Xi Electric (China)
- MidWest ISO (USA)
- Pacific Gas& Electric (USA)
- PJM Interconnection (USA)
- Saudi Electric Company (Saudi Arabia)
- Southern Company Services (USA)
- Southern California Edison (USA)
- Tenaga Nasional Berhad (Malaysia)
- Tennessee Valley Authority (USA)
- Transpower (New Zealand)
- Tsinghua University (China)
View DSA Manager Brochure
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