computer science

Power Distribution Equipment Identification

Power Distribution Equipment Identification is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Power Distribution Equipment Identification rather than just read about it. In short: The Power Distribution Equipment Identification (PDEID) (Persian: کد شناسایی یکپارچه توزیع) is a unique identification label used for exclusively identifying equipment and customers of the power distribution network of Iran, which has been in use since 1997. PDEID is used to simplify identifying equipment, their approximate address, updating the electrical network information and to transfer information to computers.

Key takeaways

Power Distribution Equipment Identification belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Power Distribution Equipment Identification to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Power Distribution Equipment Identification from memory before moving on to harder problems.

Reference excerpt

The Power Distribution Equipment Identification (PDEID) (Persian: کد شناسایی یکپارچه توزیع) is a unique identification label used for exclusively identifying equipment and customers of the power distribution network of Iran, which has been in use since 1997. PDEID is used to simplify identifying equipment, their approximate address, updating the electrical network information and to transfer information to computers.

Etymology The first unique identification code for equipment was introduced in the Iran's Power Distribution Network Standard in 1969. Only three equipment which were medium and low voltage poles, medium and low voltage branching nodes and distribution substations suggested to have equipment identification label. In 1996, at the 6th Conference on Electrical Power Distribution Networks, an article entitled "Application of the Integrated Equipment Identification Label for Distribution Networks in the Iran" by Gholamreza Saffarpour (Persian: غلامرضا صفارپور) and Ali Mamdoohi (Persian: علی ممدوحی) was presented in which a method for uniquely identifying all equipment and subscribers of distribution networks introduced. This method was selected in 1997 with minor modifications by Tavanir to integrate the identification of equipment and subscribers of distribution networks.

Structure of Power Distribution Equipment Identification Label Every code in the Power Distribution Equipment Identification label consists of 12 numbers and letters. The labels are grouped into two categories: network equipment and customers.

Distribution Equipment Identification for network equipment

The equipment label contains 12 numbers and characters. The first 5 identifies the zip code of the area where the equipment is located. The 5-digit postcode contains the location information provided by Iran Post for the whole country. The next two are letters which identify the equipment type-ID. The last five digits are an assigned sequence (or serial) number for the equipment in the postcode area. The sequence or serial number used in the integrated PDEID is an arbitrary number that is unique within the area of postcode. For example, the first distribution substation in the 13457 postcode should have the serial number 00001 and the second substation in the same postcode area (13457) should have serial number 00002, and so on. In this system, determining which equipment (substation in the above example) is first and which one is second is absolutely arbitrary.

Distribution Equipment Identification for customers (subscribers) For customers the Power Distribution Equipment Identification label is composed of 12 digits, and similar to the equipment, the 5 leftmost digits are the 5-digit postcode of the area where the electricity meter of the customer is located. The right 7 digits of the PDEID are the customer-id which is used in the billing system of power distribution utilities. In some parts of the Iran where the customer-id is more than 7 digits, the PDEID has 14 digits, and the 9 rightmost digits contain the customer-id number.

Equipment Type ID In the Power Distribution Equipment Identification label, identification is not considered for all equipment. However, by identifying and labeling 23 equipment, all equipment which is important in regard to engineering calculations or information statistics can be uniquely identified. Equipment type-ID does not include the letters I (i), O (o), and Q (q) to avoid confusion with numerals 1 and 0.

In assigning PDEID to the distribution equipment, a single-line diagram is used, so when the three-phase system is used, insulators, cable terminations, and cable joints of all three phases take just one PDEID each.

Changes to the original design There are three differences between the final implemented PDEID and what was proposed in the article entitled "Application of the Integrated Equipment Identification Label for Distribution Networks in the Iran” as following:

Suggested outdoor HV cable termination type id was C1, and indoor HV cable termination type id was C3. In final PDEID type id of both outdoor and indoor HV cable termination is CH. Suggested outdoor LV cable termination type id was C2, and indoor LV cable termination type id was C4. In final PDEID type id of both outdoor and indoor HV cable termination is CL. Adding the JN type id for virtual node. Also to improve the readability of the labels, the type id is placed between the postcode (zip code) and sequence number (or customer id number for customers).

References

Illustrations

Worked examples

Example 1 — a first encounter with Power Distribution Equipment Identification

Start with the simplest possible case. Write down what Power Distribution Equipment Identification claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Power Distribution Equipment Identification before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Power Distribution Equipment Identification ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Power Distribution Equipment Identification

In research: Power Distribution Equipment Identification appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Power Distribution Equipment Identification in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Power Distribution Equipment Identification is common in secondary-school and first-year university syllabi. It links to neighbouring topics Electric power distribution network operators, Electrical engineering, so understanding it makes those chapters shorter.
In everyday life: Look for Power Distribution Equipment Identification outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Power Distribution Equipment Identification in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Power Distribution Equipment Identification means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Power Distribution Equipment Identification out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Power Distribution Equipment Identification in simple terms?

Why does Power Distribution Equipment Identification matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Power Distribution Equipment Identification?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Power Distribution Equipment Identification.