Essentials of Modern Electrical Transmission and Distribution Systems

Essentials of Modern Electrical Transmission and Distribution Systems

Monday 25 Oct 2021

  • Duration: One Week
  • City: Madrid 
  • Fees: Classroom: 4350 GBP / Online: 1975 GBP

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OVERVIEW

The electrical power system consists of three major components: generation, a high voltage transmission grid, and a distribution system. The high voltage transmission system links the generators to substations, which supply power to the user through the distribution system

Modern electrical power systems increases the efficiency of electrical power generations, transmission and distribution it also lower carbon footprint for a greener world. It includes the ‘green generation’ of electricity by means of PV Solar Systems, Wind Power Technology, Geothermal Technology and Hydro Power.

In addition the introduction and merits of the Smart Grids are also discussed in the seminar. The determination and control of fault levels, active power, reactive power, voltage and frequency are essential in a modern electrical power system. Power quality issues are also addressed by modern mitigation techniques.

Power System Stability incorporates the Flexible AC Transmission System (FACTS) have been evolving to a mature technology with high power rating. This technology has wide spread application, became a top rate, most reliable one, based on power electronics. The main purpose of these systems is to supply the network as quickly as possible with inductive or capacitive reactive power that is adapted to its particular requirements, while also improving transmission quality and the efficiency of the power transmission system.

COURSE OBJECTIVES:

  • The behaviour of Modern Electrical Distribution Networks
  • Constraints on Distribution Network Design
  • Choice of Correct Components and Network Layoutshe design and functionality of financial models in Excel
  • Use powerful functions built in to Excel for statistical and financial analysis
  • Apply financial analysis techniques to improve investment decision-making.
  • Alternative forms of generation and embedded generation – carbon emission limiting, etc.
  • New CT and VT optical transducers and protection system using microprocessor relays
  • Nonlinear loads and injected Harmonics, at the PCC (point of common coupling)
  • Diagnostic monitoring of plant and in particular GIS substations
  • High speed fault limiters and thermal monitoring systems for cables

COURSE CONTENT

DAY 1 – INTRODUCTION

  • Basics & Fundamentals Review of a typical systems covering generation, transmission and distribution and
  • Overview Distribution systems.
  • General Design Considerations.
  • Loads: types, and estimations
  • Determination of flow of real (P) and reactive power (Q)
  • Determination and control of fault level
  • Control of reactive power & voltage
  • Control of active power & system frequency
  • The requirements for reactive compensation – voltage profiles
  • Overview of power system disturbances

DAY 2 – CURRENT OPERATIONAL PROBLEMS AND SYSTEM OPERATION

  • Coping with rising demand for power – transmission and distribution
  • The costs associated with increasing fault level and types of faults
  • Monitoring of plant condition – e.g. temperature
  • Power system and substation automation
  • Increasing problems of heavily loaded systems – stability, voltage dip
  • Transmission voltage levels – line and cable design, power loading and de-rating for temperature effects
  • Major causes of power system failures

DAY 3 – EMERGING TECHNOLOGIES

  • Energy and the Environment – solar power, geothermal power, etc. CO2 and its impact on the world
  • Green’ generation? Is it possible on a large scale or are there stability problems?
  • Demand Side Management – remote load control – minimising demand – optimising transmission – coping with dips and swells
  • Optical Current Transducers for Protection – optical current sensors eliminate CT saturation
  • High Voltage Applications – Surge protection, current limiters network switching, etc
  • Non-linear loads – harmonics at PCC – filtering – G5/4 requirements
  • Harmonics mitigation techniques

DAY 4 – ADVANCES IN CONTROL AND MONITORING

  • Power Electronics Applied to Power Systems
  • Flexibility in AC Systems (FACTS) – static VAr Compensation – series controlled capacitors
  • Changing maintenance schedules, remote surveillance of plant and the introduction of unmanned substations
  • Data logging
  • HV-DC Links for stability improvement
  • Optical cable temperature monitoring
  • SCADA and artificial intelligence systems for fault diagnostics

DAY 5 – SYSTEM PROTECTION

  • Advanced protection and Control Techniques
  • Digital and Micro Processor Protection
  • Electrical Insulation – Air and SF6 – the problems
  • Condition Monitoring of Plant
  • Is Fault current limiter, how to apply
  • GIS diagnostics – partial discharge techniques
  • Q & A session
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