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A dispatcher training simulator (DTS), also known as an operator training simulator (OTS), is a computer-based training system for operators (known as dispatchers) of electrical power grids.[1][2] It performs this role by simulating the behaviour of the electrical network forming the power system under various operating conditions, and its response to actions by the dispatchers.[3] Student dispatchers may therefore develop their skills from exposure not only to routine operations but also to adverse operational situations without compromising the security of supply on a real transmission system.[2]


Early simulations modelled the transmission system with banks of analog computers linked by scaled-down representations of the interconnecting lines. The operator would simulate the operation of circuit breakers by physically operating their miniature replicas. As transmission systems grew in size and complexity, they could no longer be adequately represented in this manner, and computerised simulations came to the fore.

A modern DTS combines or simulates the following elements:[2][4]


A DTS is frequently purchased by a customer (such as a transmission system operator) at the same time and from the same manufacturer as an energy management system, and is usually designed to mimic it as closely as possible. Operational scenarios are created on the DTS to represent the operator's transmission system under a variety of conditions.[2] These may represent normal operating conditions, or be specially designed to test the student's responses to adverse circumstances, such as frequent line trips during severe weather. The DTS is administered by a team of instructors, who select scenarios and simulate operational events, monitoring the trainee's actions in response.[6]

Scenarios may also represent circumstances that the system operator hopes never occur, such as complete system shut-down, and allow it to develop strategies for restoration of service (known as black start).[6]

Deficiencies in operator training were identified as a contributory cause of the 2003 North American blackout, a factor similarly connected to earlier power failures. The joint US-Canadian task force investigating the incident recommended mandatory periods of simulation time for operators, and validation of the models against actual system characteristics.[7]

To enable the training simulator to respond as realistically as possible to the student's actions, the power flow study at its heart must run on a frequent time basis, such as every few seconds. The simulation may model electrical networks consisting of many thousands of nodes and containing several hundred generating units.


  1. ^ Barret, Jean-Paul (1997), Power System Simulation, Springer, pp. 209–223, ISBN 0-412-63870-3 
  2. ^ a b c d Dorf, Richard C. (1997), The Electrical Engineering Handbook, CRC Press, pp. 1482–1483, ISBN 0-8493-8574-1 
  3. ^ Dyliacco, T.; Enns, M.; Schoeffler, J.; Quada, J.; Rosa, D.; Jurkoshek, C.; Anderson, M.; et al. (1983), "IEEE Transactions on Power Apparatus and Systems", IEEE Transactions on Power Apparatus and Systems, PAS-102 (11): 3672–3679, doi:10.1109/TPAS.1983.317731  |contribution= ignored (help)
  4. ^ Song, Yong-Hua; Wang, Xi-Fan (2003), Operation of Market-Oriented Power Systems, Springer, p. 5, ISBN 1-85233-670-6 
  5. ^ ENTSO-E (2008), Operation Handbook, Policy 8: Operational Training (PDF) 
  6. ^ a b Clarke, Les (1996), "Operational and commercial training on National Grid Company's despatch training simulator", Fourth International Conference on Power System Control and Management, pp. 586–591 
  7. ^ U.S.-Canada Power System Outage Task Force (2004), Final Report on the August 14th Blackout (PDF) 

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Dispatcher_training_simulator — Please support Wikipedia.
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5 news items

Akron Beacon Journal

Akron Beacon Journal
Sat, 10 Aug 2013 19:12:43 -0700

The utility is using an enhanced transmission system operator training program, including a state-of-the-art Dispatcher Training Simulator module that allows operators to train on real-time system data. • The company said it has strengthened its tree ...
Wed, 09 Sep 2015 17:22:30 -0700

이번 모의훈련은 전력거래소 차세대 EMS(Energy Management System-계통운영시스템)의 급전훈련시뮬레이터(DTS-Dispatcher Training Simulator)를 활용해 제2연계선 점검 중 제1연계선 2개 선로가 동시에 고장나면서 제주 전역에 정전 발생이라는 최악의 상황 ...


Wed, 09 Sep 2015 01:25:59 -0700

이번 모의훈련은 전력거래소 차세대 EMS(Energy Management System, 계통운영시스템)의 급전훈련시뮬레이터(DTS, Dispatcher Training Simulator)를 활용해 제2연계선 점검 중 제1연계선 2개 선로가 동시에 고장 나면서 고장파급으로 인해 제주 전지역 정전 ...


Thu, 11 Dec 2014 21:26:15 -0800

전력거래소(이사장 유상희)는 지난 11일 나주본사 중앙전력관제센터 급전훈련실에서 '관제사 가상 고장복구 경진대회'를 개최했다. 이번 경진대회는 한빛원전 발전단지에 연계된 345kV 송전선로 고장과 총 200만kW의 발전기 2개호기 정지가 동시에 발생돼 복구 중 ...


Wed, 02 Jul 2014 02:33:45 -0700

전력거래소는 관제훈련 시뮬레이터(DTS, Dispatcher Training Simulator)를 이용, 수도권에 위치한 대용량 발전기 2기 정지 및 765kV 2회선 동시고장에 의한 수도권 전압불안정으로 전국의 전력계통이 블랙아웃되는 상황을 상정했다. 이번 훈련에서는 영남지역과 ...

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