8) This describes the essential skills and knowledge and their level, required for this unit. Evidence shall show that knowledge has been acquired of safe working practices and solving problems in energy supply network equipment in energy supply network equipment. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-TIS67A Electricity supply and reticulation Evidence shall show an understanding of electricity supply and reticulation systems to an extent indicated by the following aspects: T1 Generation encompassing: primary energy sources power stations power station output acts and legislation relating to generation renewable energy sources and techniques T2 Transmission encompassing: system requirements principal components of a power system voltage levels grid systems acts/legislation relating to transmission future trends T3 Distribution encompassing: high voltage distribution systems medium/low voltage distribution systems radial feeders parallel feeders ring main feeders acts/legislation relating to distribution T4 Substations encompassing: purpose location layout T5 Overhead and underground systems encompassing: relative merits applications planning installation T6 Power distribution system electrical characteristics encompassing: transmission and distribution systems inductance, capacitance and resistance T7 Voltage problems in a power distribution system encompassing: low voltage unbalanced voltages voltage rises T8 Voltage regulation encompassing: autotransformers with OLTC transformers with OLTC static capacitors load control T9 Control of OLTC encompassing: regulation relays control circuits line drop compensation T10 Power distribution system faults encompassing: type/classification of fault typical causes/effects of faults three-phase symmetrical fault levels fault level limitation T11 Voltage surges in a power distribution system encompassing: lightning surges switching surges typical surge levels surge impedance, typical values significance of the system surge impedance. T12 Metering and metered quantities encompassing: purpose energy maximum demand accuracy classes for metering systems T13 Energy and demand meters encompassing: construction operation adjustments testing T14 Metering circuits encompassing: direct metering instrument transformer metering T15 Electronic metering systems and recording meters encompassing: types applications connections T16 Load control encompassing: purpose methods |