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1-Power Systems and Distribution Systems
This document provides an overview of a technical training on power systems and distribution systems. The training covers: 1. Basic definitions and information on power systems, distribution systems, faults, protection, and types of circuit breakers. 2. Eaton low voltage circuit breakers, including air circuit breakers (ACBs), molded case circuit breakers (MCCBs), and miniature circuit breakers (MCBs). 3. Details on Eaton's IZM and NZM series of ACBs and MCCBs, including their applications, ratings, sizes, and accessories.
1-Power Systems and Distribution Systems
- 1. Power Systems andDistribution Systems Technical Training Prepared by: Eng. Ahmed Lotfy (BO Technical Director and Factory Manager) Barkouky Organization (BO) (EATON) SYSTEM INTEGRATOR - EGYPT Power Systems and Components Technical Training
- 2. ۲ Training Contents: 1. SomeBasic Information and Definitions 1.1: Introduction 1.2: Power Systems 1.3: Distribution Systems 1.4: Faults and Protection 1.5: Types of Circuit Breakers 2. Eaton Low Voltage Circuit Breakers 2.1: Air Circuit Breakers (ACB’s) 2.2: Molded Case Circuit Breakers (MCCB’s) 2.3: miniature circuit breakers (mcb’s) Power Systems and Components Technical Training
- 3. ۳ Power Systems andComponents Technical Training 1. Some Basic Information and Definitions
- 4. 1.1: Introduction The targetof this training is to explain briefly the basic concepts and ideas related to (Power Systems and Distribution Systems). The training will give some focus on some Eaton specific products. 1.2: Power Systems Generation Systems (Conventional Systems and Non-Conventional Systems) Step-Up Power Transformers Transmission Systems (Primary Transmission and Secondary Transmission) Step-Down Power Transformers ٤ Power Systems and Components Technical Training
- 5. ٥ Ring Main Units MVSwitchgear Distribution Transformers LV Switchgear 1.3: Distribution Systems Power Systems and Components Technical Training RMU type (Xiria) from Eaton LV Switchboard type (X-Energy) from Eaton MV Switchboard type (UX) from Eaton
- 6. ٦ Power Systems andComponents Technical Training Power System and Distribution Systems (in one scheme)
- 7. ۷ Protection is commonlyprovided by (Circuit Breakers) as follows: • Protection against Short Circuit • Protection against Over Current • Other Types of Protection (Try to remember some of them) Faults that are commonly occurring are (Short Circuit) as follows: • Line – Earth (@ 80% of faults occurrence) • Line – Line (@ 15% of faults occurrence) • Three Line (@ 5% of faults occurrence) 1.4: Faults and Protection Power Systems and Components Technical Training
- 8. ۸ MCCB Moulded Case CircuitBreaker ACB Air Circuit Breaker 20 – 1600 A 250 – 6300 A MCB Miniature Circuit Breaker 0.5 – 125 A of Circuit breakers: Types1.5 Power Systems and Components Technical Training
- 9. ۹ 2. Eaton LowVoltage Circuit Breakers Power Systems and Components Technical Training
- 10. ۱۰ Power Systems andComponents Technical Training Each: -F (fixed) -W (drawout) Commonly 3pole ( Optionally 4pole) IZM20 IZM32 IZM40 IZM63 630A 3200A 4000A2000A 6300A 6300A Eaton Air Circuit Breakers Type (IZM) Overview 800A max.: 4000A IZMX16 IZMX40 max.: IZM63 1600A
- 11. ۱۱ Power Systems andComponents Technical Training Eaton Air Circuit Breakers Type (IZM) Accessories
- 12. ۱۲ Power Systems andComponents Technical Training NZM ...1 Iu = 160 A 90 mm NZM ...2 Iu = 300 A 105 mm NZM ...3 Iu = 630 A 140 mm NZM ...4 Iu = 1600 A 210 mm Nominal Current, Operating Current and Size Eaton Molded Case Circuit Breakers Type (NZM) Overview
- 13. ۱۳ Power Systems andComponents Technical Training MCBs Field of Application ResidentialIndustrial Commercial
- 14. ۱٤ Power Systems andComponents Technical Training Miniature Circuit Breaker Tripping Characteristics B – for line and cable protection in residential building installations, lighting and socket circuits. (3 In – 5 In) C – for line and cable protection, particularly for electrical systems and equipment with higher making currents, groups of lamps. (5 In – 10 In) D – for line and cable protection, particularly for electrical systems and equipment with very high making currents, welding transformers, motors. (10 In – 20 In) `
- 15. ۱٥ End of Trainingfor Today ….. Thanks for your attention… Eng. Ahmed Lotfy (BO Technical Director and Factory Manager) Power Systems and Components Technical Training