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IEC TR 62140-3:2002

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Fossil-fired steam power stations - Part 3: Steam-temperature control

Withdrawn date

29-05-2008

Published date

17-10-2002

FOREWORD
INTRODUCTION
1 Scope
2 Controlled system
  2.1 Description of controlled system
  2.2 Design
  2.3 Steady-state behaviour
  2.4 Transient behaviour
  2.5 Calculation of time response
  2.6 Measurement of time response
3 Formulation of control task
  3.1 Control requirements
  3.2 Control performance
4 Configurations of the control circuits
  4.1 Control concept
  4.2 Control circuits
5 Realization of the control circuit
  5.1 Measuring concept and time response
  5.2 Actuator

application of this report is restricted to temperature control systems in power stations inwhich superheated steam is controlled at a desired target temperature using steam sidecontrol interventions, such as spray coolers or heat exchangers, or flue gas side controlinterventions such as flue gas reflux.

DocumentType
Technical Report
PublisherName
International Electrotechnical Committee
Status
Withdrawn

Standards Relationship
NEN NPR IEC/TR 62140-3 : 2002 Identical

ISA 77.44.01 : 2007 FOSSIL FUEL POWER PLANT - STEAM TEMPERATURE CONTROLS

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