Essential Knowledge and Associated Skills EKAS This describes the essential skills and knowledge and their level required for this unit Evidence shall show that knowledge has been acquired of developing and evaluating transmission switching programs All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTSOA Network systems power flows management KS01-TSO51A Network systems power flows - management Evidence shall show an understanding of network systems power flows management to an extent indicated by the following aspects T Enterprise specific procedures and work practices relating to managing network demand encompassing Commonwealth StateTerritory and local government legislation supply authority regulations Standards codes and or enterprise requirements applicable to the procedures and work practices relating to managing network demand Requirements for the use of demand management manuals system diagramsplans and drawings Identify and interpret enterprise demand management procedures Techniques in the applying enterprise demand management procedures T Voltage control techniques encompassing Conditions leading to voltage collapse Effects on system of high and low voltage Voltage control devices voltage regulators applied to generators and synchronous phase modifiers electromagnetic voltage regulators series and parallel capacitors OLTC transformers and static VAR compensators SVCs SVCs includes saturated reactor compensators thyristor controlled reactor compensators and combined systems Production of harmonics and methods of harmonic control Location of voltage control devices within the system T Power flow control encompassing Use of system components to control power flow patterns base load spinning reserve regulating machines rapid start plant phase shifting transformers and load shedding Principles of automated control Synchronising power Relationship of power and frequency Machine stabilisation techniques System oscillations and stability damped and undamped oscillation relationship of fault clearance times and system stability critical clearance times T Alternators operation and control encompassing Constructional features of alternators weights lengths lengths cooling mediums cooling systems prime mover types prime mover attachment types of windings core arrangements Principle of operation induction machines synchronous machines Modes of operation island and infinite bus operation running up of prime movers loading the alternator requirements for synchronising methods of synchronising Use of reactive capability diagram related diagram types current circle diagram performance chart capability diagram values represented per unit representation limits representation and meaning Automatic voltage regulators need for voltage control required attributes of an AVR range response time constraints on AVR capability desirable attributes of an AVR power consumption compensation rotor stabilisation automatic changeover systems input and output requirements and components Operation on an infinite bus definition of infinite bus powerangle dependence reactive flowvoltage dependence powerangle diagram effect of saliency transient conditions practical and theoretical stability limits voltage dependence of stability control of reactive flow using AVR and generator transformer tap changer T EHV generator control systems encompassing Legislation Standards codes legislation supply authority regulations and or enterprise requirements pertaining to the operation of a portable generator Safety precautions specific to the synchronisation of generator sets safe working policies practices and procedures synchronising procedures Techniques in the installation of generator sets control systems the synchronising of generator control systems onto and off the network without interruption to supply estimation of EHV load assessing the appropriateness of the generator Operating a generator in parallel to a single EHV job overhead systems indoor systems customer installations kiosk substations EHV generator set and control system to EHV Distribution assets |