دورات من شركة abb ا
 

[SIZE="4"]مجموعة من دورات ال abb

و ساقوم بتحميلها تباعا على المنتدى

و سوف ابدا بدورة

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الدورة الثانية

Power
Transformers


و تتضمن التالي

-INTRODUCTI**
-MAIN CHARACTERISTICS OF A POWER TRANSFORMER
-Types of transformers
-Transformati** ratio
-Insulati** class
-Rated output
-Transformer c**necti**s
-VOLTAGE C**TROL
-TYPES OF COOLING
-ACCESSORIES/ PRACTICAL ASPECTS
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الدورة الثالثة

Disc**nectors

و تتضمن


-GENERAL
-DESIGN/ RATED CHARACTERISTICS
-Knife c**tact disc**nectors
-Load switches
-Rottary disc**nectors
-Earthing switches
-Pantograph disc**nectors
-DISC**NECTOR DRIVES
-ASSEMBLY AND MAINTENANCE
-TESTS
-CHARACTERISTICS

و شكرااااا
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thank you very much

[SIZE="4"]الدورة الرابعة


Sec**dary
Installati**s

و تتضمن

-STANDBY POWER SYSTEMS
-HIGH SPEED TRANSFER DEVICES
-STATI**ARY BATTERIES AND BATTERY INSTALLATI**S
-INSTALLATI**S AND LIGHTING IN SWITCHGEAR INSTALLATI**S
COMPRESSED-AIR SYSTEMS IN SWITCHGEAR INSTALLATI**S-


و

شكرااااا[/SIZE]

[SIZE="4"]الدورة الخامسة

Medium Voltage Switchgear

و تتضمن


*INTRODUCTI**

*C**STRUCTIVE TYPES

1) ****l -Clad units
a)AIR INSULATED
b)SF6 INSULATED

2)Compartmented switchgear
a)AIR INSULATED
b)SF6 INSULATED

3)Cubicle switchgear
a)AIR INSULATED
b)SF6 INSULATED

*TESTS

*PERS**AL SAFETY
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[SIZE="4"]الدورة السادسة

و هي من اجمل الدورات

High Voltage Circuit Breakers

و تتضمن


1)GENERAL
-Introducti**/ Physics of the electric arc
-Breaking an alternate current
-Circuit breaker characteristics

2)BREAKER TYPES
-Breaker technologies
-Oil circuit breakers
-Sf6 circuit breakers

3)Vacuum circuit breakers
-MAINTENANCE/ DRIVING/ TESTS
-Maintenance
-Driving systems
-Tests

و

شكرااااا


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الدورة السابعة

Substati**s Types

و تتضمن


1) General

2) Theory

3) Technical Design

4) Sales Arguments

5) Applicati**s

6) Standards


و شكراااااااا
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[SIZE="4"]الدورة الثامنة

Grounding Systems

و تتضمن

1)General
-Introducti**
-Electrodes and C**ductors
-Safety C**cepts

2) Soil Characteristics
-Soil as a c**ductor. Resistivity
-Uniform Soil
-several Layers Mode
-Artificial Soil
-Soil Treatment

3) Geometry of the Grounding Systems
-Resistive to Ground
-Separati** of the Grid C**ductors

4)Analysis of Current Circulati**
-Fault Current and Ground Current
-Different Case of Circulati**
-Extracted Currents
-Adjustment Factor .Reducti** Factor

5) Calculati** of Step and Touch Voltages
-Effects of the Current ** the human body
-Equivalent Circuits
-Limit Admissible Voltages
-Estimati** of the Voltages in the Installati**

6) C**structi** and Installati** Aspects
-Introducti**
Sizing of the Grounding C**ductors
-Corrosi**
-****ts and Weldings
-Low Voltage Installati**s




و

شكرااااااا

[URL="http://www.ieees.com/attachment.php?attachmentid=2765&d=1272614931"]من هنااااااااااااااااااااا[/URL]

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الدورة التاسعة Surge Arresters


و تتضمن

1) General
-Introducti**
-Characteristics of MO Arresters

2) C**structive Design

3) C**figuring MO Arresters


و

اتمنى ان تكون الدورات السابقة سليمة

و ان لا يتكرر هذا الخطا مرة اخرى


و


شكراااا




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