1-power systems and distribution systems
TRANSCRIPT
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Power Systems and Distribution 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
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Training Contents: 1. Some Basic 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
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۳ Power Systems and Components
Technical Training
1. Some Basic Information and Definitions
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1.1: Introduction The target of 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
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Ring Main Units MV Switchgear 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
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٦ Power Systems and Components
Technical Training
Power System and Distribution Systems (in one scheme)
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Protection is commonly provided 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
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MCCB Moulded Case Circuit Breaker
ACB Air Circuit Breaker
20 – 1600 A 250 – 6300 A
MCB Miniature Circuit Breaker
0.5 – 125 A
of Circuit breakers: Types 1.5
Power Systems and Components
Technical Training
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2. Eaton Low Voltage Circuit Breakers
Power Systems and Components
Technical Training
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۱۰ Power Systems and Components
Technical Training
Each: -F (fixed) -W (drawout) Commonly 3pole ( Optionally 4pole)
IZM20 IZM32 IZM40 IZM63
630A
3200A 4000A 2000A 6300A
6300A
Eaton Air Circuit Breakers Type (IZM) Overview
800A
max.:
4000A
IZMX16
IZMX40
max.:
IZM63
1600A
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۱۱ Power Systems and Components
Technical Training
Eaton Air Circuit Breakers Type (IZM) Accessories
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۱۲ Power Systems and Components
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
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۱۳ Power Systems and Components
Technical Training
MCBs Field of Application
Residential Industrial
Commercial
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۱٤ Power Systems and Components
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)
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End of Training for Today …..
Thanks for your attention… Eng. Ahmed Lotfy
(BO Technical Director and Factory Manager)
Power Systems and Components
Technical Training