2024-02-15 09:18
As we stated in the previous article “Stationary
UPS Sizing Calculations
-Part One” That Stationary UPS Sizing Calculations
include:
The UPS sizing calculations,Rectifier/C… Read More
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2024-01-22 08:04
As we stated in the previous article “Stationary
UPS Sizing Calculations -Part One”, That Stationary UPS Sizing Calculations
include:
The UPS sizing calculations,Rectifier… Read More
2023-12-19 10:56
As we stated in the previous article “Evaluation Criteria for Selecting an UPS-Part One”, where we
explained the (8) steps for Evaluation Criteria for Selecting an UPS and l… Read More
2023-12-16 07:57
In the
previous Article "Evaluation Criteria for Selecting an UPS-Part One”, we explained The process for selecting an UPS
which consists of eight steps (see Fig.1). These steps a… Read More
2023-11-28 12:12
Evaluation Criteria for Selecting an UPSThe
process for selecting an UPS consists of eight steps (see Fig.1). These steps
are:
Step#1:
Dete… Read More
2023-11-22 08:03
In the previous article “ Components of Online Double
Conversion UPS– Part One”, We showed that an
online double Conversion UPS has (4) major components As shown… Read More
2023-11-18 08:22
A double conversion UPS converts the incoming alternating
current (AC) to a direct current (DC), so it can power the system’s battery,
and then inverts the DC back to AC for powering e… Read More
2023-11-14 09:13
In the previous article
“Classification and Types of UPS – Part One”, we stated that UPS is classified
according to:
Voltage range,No. of phases, Mobility,Techn… Read More
2023-11-12 11:48
In the previous
article “Classification and Types
of UPS – Part One”, we stated that UPS is classified
according to:
Voltage range,No. of phases, Mobility,Technologic… Read More
2023-11-05 10:27
In the previous
article “Classification and Types of
UPS – Part One”, we stated that UPS is classified
according to:
Voltage range,No. of phases, Mobility,Technologic… Read More
2023-10-25 10:32
In the previous article “Classification and Types of UPS – Part One”, we stated that UPS is classified
according to:
Voltage range,No. of phases, Mobility,Techn… Read More
2023-10-19 09:33
In the previous article “Classification and Types of UPS – Part One”, we stated that UPS is classified
according to:
Voltage range,No. of phases, Mobility,Technologic… Read More
2023-09-27 10:39
In the previous article “Classification and Types of UPS – Part Two”, we stated that according to the Form factor/
configurations, the UPS Systems have five famous con… Read More
2023-09-25 08:28
In the previous article “Classification and Types of UPS – Part One”, We explained the following points:
Applicable Standards for UPS SystemsWhat is a UPS?Why do we n… Read More
2023-08-15 04:55
In the previous article “Classification and Types of UPS – Part One”, We explained the following points:
Applicable Standards for UPS SystemsWhat is a UPS?Why do we n… Read More
2023-01-15 05:36
Today, we will start explaining the
UPS design and sizing calculations, and as we do usually, we will start by
explaining the components and main types of UPS systems.
… Read More
2021-06-07 05:44
Introduction
IEC – ASTM- UL – DIN-
CEN – ASME – BS – ISO – UL – DIN EN – IEEE – C… Read More
2020-04-20 10:17
This is the fourth Article for helping designers to choose the
appropriate type and calculate the required power rating for the chosen type of
Electrical Water Heater.
In the first
Articl… Read More
2020-04-18 05:49
This is the third Article for helping designers to choose the
appropriate type and calculate the required power rating for the chosen type of
Electrical Water Heater.
In the first
Article… Read More
2020-04-16 04:37
Course Description:
This course is intended to prepare the target persons with the ability to
perform Transformer Sizing Calculations for all types and special cases of
transformers.
The… Read More
2020-04-15 07:00
Today, we will
explain the Steps for Selection/Calculation of the Proper Load Bank and Standard Load
Bank Testing Procedure.
The (14)
Steps for Selection/Calculation of t… Read More
2020-04-12 09:55
Today, we will
explain the Load Bank Power Connections and an example for Installation details, Power and
Control Wiring Diagrams for A Load Bank.
Load
Bank power Connect… Read More
2020-04-09 10:18
Today, we will
explain the Load Bank components and its basic circuits.
Load
Bank Components
Basically any low voltage load bank
will be consis… Read More
2020-04-07 09:27
In Article “Load Bank Sizing Calculations – Part Two”, We indicated the different types of load banks, which are:
According To the
Load Element Type,
According To
P… Read More
2020-04-05 08:57
In Article “Load Bank Sizing Calculations – Part One”, we explain the following points:
What
is a Load Bank?,
Why
we don’t use the actual facility loads to te… Read More
2020-04-02 06:27
Today, we will start explaining what the
Load Bank is and How to Size it correctly.
Introduction to Load Banks
What is a Load Bank?
Any devi… Read More
2020-03-01 07:35
In this topic, we will provide an overview about electrical points in special Guidelines for healthcare buildings “FGI Facility Guidelines Institute” include: … Read More
2019-11-24 11:33
Course
Description:
This course is intended to prepare the target persons with the ability to
perform HVAC Equipment Power sizing Calculations
The
targeted Persons:
Design engineers, new… Read More
2019-11-07 05:35
Today, we will list all the summary tables for sizing calculations for Air Conditioning and Refrigeration Equipment as Per NEC Article 440.
Summary Tables
For Sizing Cal… Read More
2019-11-06 11:33
Today, we will explain how to size the Branch Circuit Overload Protection for Air Conditioning and Refrigeration Equipment and Provisions for Room Air Conditioners as Per Article 440… Read More
2019-11-04 12:12
Today, we will explain how to size the branch circuit conductors, controllers and overload protection for Air Conditioning and Refrigeration Equipment as Per Article 440.
The N… Read More
2019-11-02 12:12
In the previous article "The National Electrical Code (NEC) and HVAC Systems – Part Two", We
indicated that Sizing Calculations for Air Conditioning
and Refrigeration Equipment as… Read More
2019-10-27 04:50
In the previous article "The NationalElectrical Code (NEC) and HVAC Systems – Part One", we differentiate between the service, feeder
and branch circuit load calculations and we e… Read More
2019-10-21 07:37
Today, we will
explain the NEC Rules related to HVAC System Power Sizing
Calculations.
The National
Electrical Code (NEC) And HVAC Systems – Part One… Read More
2019-10-17 09:48
In Article "HVAC Equipment Power Rating Calculations – Part One", we explain the following points:
Summary of heating and cooling systems,
Parts Consuming Power in HVAC Systems… Read More
2019-10-08 11:01
In this course, we will learn the following:
How to select and size the over current protection device for HVAC
equipment.
How to size the circuit wiring/cables for HVAC equipment.
How to… Read More
2019-10-03 06:12
This glossary will help you to understand the technical
meaning for any term or expression which will facilitate your understanding for
the Lift Traffic design calculations.
Please rea… Read More
2019-10-03 06:11
This glossary will help you to understand the technical
meaning for any term or expression which will facilitate your understanding for
the Lift Traffic design calculations.
Please rea… Read More
2019-10-03 06:05
Course
Description:
This course is intended to prepare the target persons with the ability to
perform Elevators Traffic Design and Motor power sizing Calculations.
The
targeted Persons:… Read More
2019-06-25 07:32
Today we
will explain the following:
How to
size the lift motor KW/HP,
How to
calculate the Lift Energy Consumption.
First: How To Size The Lift Motor KW/HP… Read More
2019-06-17 10:56
In article “Vertical Transportation Design and Traffic Calculations – Part Nine”, we indicated that we had two
Methods for Lift Traffic Design Calculations under the m… Read More
2019-06-13 12:15
Today we will explain
step by step the two methods for Lift Traffic design calculations with solved
examples.
Methods for Lift Traffic Design
Calculations… Read More
2019-06-09 09:24
In article “Vertical Transportation Design and Traffic Calculations – Part Six”, we started
explaining how to perform the following lift
traffic design calculations:
1-
Ca… Read More
2019-05-29 08:37
In article “Vertical Transportation Design and Traffic Calculations – Part Six”, we started
explaining how to perform the following lift
traffic design calculations:
1-
Ca… Read More
2019-05-25 06:28
In our first Article about Bill of Quantity (BOQ) on the following link " BILL OF QUANTITIES ", we explained the following points:
The
Purpose of a Bill of Quantitie… Read More
2019-05-08 06:00
Today we will start explaining the lift traffic design
calculations. In article “Vertical Transportation Design and Traffic Calculations – Part Two”, we listed the (4) meth… Read More
2019-04-08 04:56
In Article “Vertical Transportation Design and Traffic Calculations – Part Two”, we
indicated that the Principles of Interior Building Circulation are:
Efficiency of Inte… Read More
2019-03-21 04:55
In Article “Vertical Transportation Design and Traffic Calculations – Part Two”, we indicated
that the Principles of Interior Building Circulation are:
Efficiency of Int… Read More
2019-03-18 06:07
In Article “Vertical Transportation Design and Traffic Calculations – Part Two”, we indicated
that the Principles of Interior Building Circulation are:
Efficiency of Int… Read More
2019-03-11 05:11
In the previous article “Vertical Transportation Design and Traffic Calculations – Part One”, we explained the following points:
Applicable Standards and Codes Used In… Read More
2019-03-07 11:58
The first course “Course ELEV-1:An Introduction to Transportation Systems in Buildings” was covering the following
points:
Understanding the technology, concepts and term… Read More
2019-02-06 12:16
Today we will explain the following points:
How to size the power and control cables used
in PFC panels,
Effects of
Power Factor Correction Capacitors on Generators,
Should capacitors b… Read More
2019-02-03 11:58
In article” Power Factor CorrectionCapacitors Sizing Calculations – Part Fifteen” we indicated that The
Main Components of PFC Panel are as follows:
1- The… Read More
2019-01-29 12:10
In article” Power Factor Correction Capacitors Sizing Calculations – Part Fifteen”
we indicated that The
Main Components of PFC Panel are as follows:
1- The… Read More
2019-01-26 11:48
Today, we will explain
The Main Components of PFC Panel and how to select each
one of them.
1- The Main Components of
PFC Panel
A Panel for
power fac… Read More
2019-01-20 06:30
Today, we will explain
the most (4) famous power factor
correction capacitor calculators.
Power Factor Correction Capacitors Calculators
&nbs&hell…Read More
2019-01-16 11:53
Today, we will explain
the power factor compensation in case of harmonics distortion.
Linear and Non-Linear Loads
Electrical loads can be categorized t… Read More
2019-01-16 11:07
Course Description:
This course is intended to prepare the target persons with the ability to
perform PF Correction Sizing Calculations.
The targeted Persons:
Design engineers, new gra… Read More
2019-01-12 11:04
Course Description:
This course is intended to prepare the target persons with the ability to
perform Generator Sizing Calculations.
The targeted Persons:
Design engineers, new graduat… Read More
2019-01-12 10:52
Course Description:
This course is intended to prepare the target persons with the ability to perform Electrical Water Heaters Power Rating Calculations. The targeted Persons:
Design… Read More
2019-01-10 12:22
Course
Description:
This course is intended to prepare the target persons with the ability to
understand the technical part of how to do shop drawings.
The targeted Persons:
D… Read More
2019-01-10 12:16
Course Description:
This course is intended to prepare the target persons with the ability to
perform Transformer Sizing Calculations for all types and special cases of
transformers.
The… Read More
2019-01-07 11:29
As we explained before in article “Power Factor Correction Capacitors Sizing Calculations – Part Eleven”, how
to calculate the capacitor KVAR rating for compensation at:… Read More
2019-01-03 04:50
Today, we will start explaining Different
Methods of Calculations for PF correction capacitor Ratings.
As we explained before in article “Power Factor Correction Capacitors… Read More
2018-12-24 08:46
Today, we will start explaining Power Factor Correction Capacitors
Sizing Calculations Steps in detail for the new designs as in the previous
article “Power Factor Correction Capacitor… Read More
2018-12-20 11:47
Today, we will continue
explaining Power
Factor Correction Capacitors Sizing Calculations Steps in detail
as in the previous article “Power Factor Correction Capacitors Sizing Calculat… Read More
2018-12-11 07:28
Today, we will continue
explaining Power
Factor Correction Capacitors Sizing Calculations Steps in detail
as in the previous article “Power Factor Correction Capacitors Sizing Calculat… Read More
2018-12-02 11:02
Today, we will continue
explaining Power
Factor Correction Capacitors Sizing Calculations Steps in detail
as in the previous article “Power Factor Correction Capacitors Sizing Calculat… Read More
2018-11-26 11:56
Today, we will continue explaining Power Factor Correction Capacitors Sizing Calculations Steps in detail as in the previous article “Power Factor Correction Capacitors Sizing Calculat… Read More
2018-11-08 09:55
Today, we will continue
explaining other Types of Power Factor Correction Capacitors as in the previous
article “Power Factor Correction Capacitors Sizing Calculations – Part Fou… Read More
2018-11-04 05:31
Today, we will continue
explaining the technical part for Power
Factor Correction Capacitors Sizing Calculations. We will explain the following
topics:
How to make Power Factor Correcti… Read More
2018-10-30 04:50
Today, we will continue
explaining the technical part for Power
Factor Correction Capacitors Sizing Calculations. We will explain the following
topics:
What
causes low power factor?
Bad… Read More
2018-10-25 12:24
Today, we will start explaining
the technical part for Power Factor
Correction Capacitors Sizing Calculations. We will explain the following topics:
Applicable Standards for Power Facto… Read More
2018-10-08 05:01
1- Fire Fighting System Equipment
The Fire Fighting System consists of many equipment as follows:
Jockey pump,
Electrical fire fighting pump,
Diesel fire fighting… Read More
2018-10-04 04:57
Today, we will continue explaining the glossary of all terms and expressions that we will deal with through our explanation of Power Factor Correction Capacitors (PFCC) Sizing Calculations… Read More
2018-09-01 11:26
In the initial design steps, Electrical rooms estimated dimensions are requested. Here, we will know how to estimate the dimensions of the following electrical rooms:
… Read More
2018-02-21 05:50
Today, we will explain the following:
Voltage Regulators Data,
Transformers Data,
Switchgear data.
Interpreting Single-Line
Diagram – Part Two… Read More
2018-02-14 07:19
Today, we will explain the following:
Basic Elements of Electrical Drawings,
Types of Electrical Drawings,
Single-Line /One-Line Diagram - Part one.
8- Bas… Read More
2018-02-03 07:49
Today, we will explain the Drafting Practices
Using Graphical Symbols and abbreviations.
4- Electrical
Symbols and Abbreviations
&nbs&hell…Read More
2018-01-31 09:10
In
article “How to Read and Interpret Electrical Shop Drawings –Part One”, we gave a fast overview
for the articles/courses that give a preliminary explanation for the diff… Read More
2018-01-29 06:02
1-
Introduction
This
is the second course for Electrical drawings after our first course “ED-1: Electrica… Read More
2018-01-08 12:56
Course Description:
This course is intended to prepare the
target persons with the ability to understand Wiring Diagrams for All Types of
HVAC systems and making the design calculations fo… Read More
2018-01-02 10:50
Today, we will explain Rules Of Thumb for Generators Sizing Calculations for
Existing and New Installations.
Fifth: Rules Of
Thumb For Generators Sizing Calculati… Read More
2017-12-28 04:50
Today, we will continue
explaining in detail the applicable procedures for Generators Sizing
Calculations for Existing and New Installations.
Fourth: Applicabl… Read More
2017-12-27 05:13
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators
Sizing Calculations – Part One
Glossary of Generat… Read More
2017-12-27 05:11
Today, we will explain
in detail the applicable procedures for Generators Sizing Calculations for
Existing and New Installations.
Fourth: Applicable Procedures For G… Read More
2017-12-27 05:10
Today,
we will continue explaining in detail the applicable procedures for Generators
Sizing Calculations for Existing and New Installations.
Fourth: Applicable Pro… Read More
2017-12-12 11:22
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators
Sizing Calculations – Part One
… Read More
2017-12-10 07:09
Subject of Previous Article
Article
Glossary of Generators
– Part One
Generators Sizing Calculations – Part One
Glossary of Generat… Read More
2017-12-07 10:46
Subject of
Previous Article
Article
Glossary of Generators –
Part One
Generators
Sizing Calculations – Part One
… Read More
2017-12-05 04:47
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
… Read More
2017-12-03 07:24
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
Glossary of Gener… Read More
2017-11-29 04:41
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations &nd&hell…Read More
2017-11-28 11:14
Subject of Previous Article
Article
Glossary of Generators – Part One
Generators Sizing Calculations – Part One
… Read More
2017-11-25 04:04
Today, we will continue the explanation of Glossary of
Generators to start explaining Generators Sizing Calculations later. In
the previous article “Generators Sizing Calculations &nda&hell…Read More
2017-11-23 12:29
Today, we will start the explanation of Generator Sizing
Calculations and as usual we start by the glossary of all terms and expressions
that we will deal with through our explanation of Gen… Read More
2017-11-22 17:26
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculations – part One… Read More
2017-11-19 04:57
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculatio… Read More
2017-11-19 03:56
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculations – part… Read More
2017-11-13 06:02
Subject Of Previous
Articles
Article
Glossary of
Sizing Power and Distribution Transformers,
Power and Distribution Transformers sizing calculatio… Read More
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