Recent Posts
Transmission & Distribution
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Example 2: Pole Loading Analysis of Angled Structure based on NESC 2017
In this example calculation of angled pole structure, the objective is to apply NESC 2017 rules to generate the loading trees for different load cases. We will apply the step-by-step process outlined… read more…
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Transmission Line Failure Due To Increase In Conductor Tension
This article is a primer to Example 2: Pole Loading Analysis of the Angled Structure based on NESC 2017. Also, this is a supplement of the previous post: Loading Analysis of Transmission… read more…
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Example 1: Pole Loading Analysis of Tangent Structure based on NESC 2017
In this example calculation of tangent pole structure, the objective is to apply NESC 2017 rules to generate the loading trees for different load cases. We will apply the step-by-step process outlined… read more…
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Loading Analysis of Transmission and Distribution Structures based on NESC 2017
National Electrical Safety Code (NESC) Part 2 aimed for the practical safeguarding of persons during installation, operation, or maintenance of power and communications lines and their associated equipment. Loading Analysis of new… read more…
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10 Measurable Benefits of Hot-Dip Galvanizing Transmission Structures
Corrosion protection and finish are important considerations when designing a line using steel structures. The most commonly used corrosion protection and finish options used for steel poles include (1) paint and coating… read more…
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How to Use Sag Template for Tower Spotting – Part 3
Tower or Structure spotting is a term used for the process of determining the optimum location, height, and type of transmission line structures on the plan and profile drawings. The main goal… read more…
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How to make Sag Template for Tower Spotting – Part 2 (Examples)
In this post, we will make an example calculation for generating a sag template. We will follow the steps defined in the previous post. Step 1: Gather design data. Scale and Ruling… read more…
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How To Make SAG Template for Tower Spotting – Part 1
Route Plan and Profile It is assumed by now that you already have a “route profile” or simply “profile” that depicts the elevation of the ground level from a reference datum. Details… read more…
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Sag-Tension Spreadsheet Free Calculator (Even and Uneven Supports Elevation)
In addition to the free “even elevation sag-tension spreadsheet”, here is another excel spreadsheet wherein uneven elevation of supports is integrated. Also, I added a “macro code” for the ease of the… read more…
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3 Types of Conductor Models used in Sag and Tension Calculations
I have presented so far sag and tension calculation based on the linear cable model which does not account for plastic elongation in the conductor. In this post, I will introduce the… read more…
Philippine Electrical Engineers
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How to become a PEE? -With Sample TER
Guide for those aspiring to upgrade as Professional Electrical Engineer with downloadable sample Technical Engineering Report. read more…
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22 Consumer Rights – Magna Carta for Residential Electricity Consumers as Amended
11. Right to a Transparent Billing Bills to service customers shall conform with the format as approved by ERC. 12. Right to a Monthly Electricity Bill Bills shall be delivered monthly to… read more…
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What should be the contents of my Electrical Plan? -Based on PEC 2017
Philippine Electrical Code indicated the required contents on electrical plans. This is under Article 1.3. read more…
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Significant Changes to Philippine Electrical Code (PEC) 2017 Edition
CHANGES IN PEC 2017 PER CHAPTER Chapter 1 – General New definitions have been included, notably Office of the Building Official/EE (OBO/EE), National Electrical Engineering Law and Service Protective Device. The OBO/EE… read more…
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What You Need To Know On Wholesale Electricity Spot Market (WESM)
What is WESM? The wholesale electricity spot market (WESM) is a venue for trading electricity as a commodity. It serves as a clearing house to reflect the economic value of electricity for… read more…
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Philippine Grid Code 2016 Edition
The Philippine Grid Code (PGC) establishes and documents the basic rules, requirements, procedures and standards that govern the operation, maintenance and development of the highvoltage backbone transmission system of the Philippines. The… read more…
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Philippine Distribution Code 2017 Edition
The Philippine Distribution Code establishes the basic rules and procedures that govern the operation, maintenance, development, connection, and use of the electric distribution systems in the Philippines. Compliance with the provisions of… read more…
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DILG Memorandum: Electrical Plans must have Short Circuit and Voltage Drop Calculation
Department of Interior and Local Government issued Memorandum Circular 2016-23 dated February 17, 2016 which reiterates certain provisions of the Philippine Electrical Code (PEC) relative to the issuance of the Building and… read more…
