Get the free Technical Specification for 22 KV Current Transformers

This document specifies the technical requirements, design features, and instructions for bidders regarding 22 KV current transformers for Gujarat Energy Transmission Corporation Ltd. It includes

How to fill out technical specification for 22

How to fill out Technical Specification for 22 KV Current Transformers

1. Begin with the project title and date.
2. Specify the application and purpose of the current transformers.
3. Detail the technical requirements including voltage rating, current rating, and frequency.
4. Include dimensions and mounting arrangements.
5. Mention insulation level and temperature class.
6. Specify the accuracy class and burden.
7. Describe the protection and terminal arrangements.
8. Add information on certification standards and compliance.
9. Include any environmental considerations, such as humidity or temperature ranges.
10. Conclude with any additional notes or special requirements.

Who needs Technical Specification for 22 KV Current Transformers?

1. Electrical engineers and designers working on power distribution systems.
2. Utility companies for grid interconnection.
3. Manufacturers of electrical equipment requiring specifications for procurement.
4. Contractors involved in installation and maintenance of electrical systems.

People Also Ask about

Which CT is better, 1A or 5A?

Determining the transformer ratio Ip/Is – 5A secondary is used when instruments or relays are close to the transformer, ie less than 10m (30ft). – 1A secondary is preferably selected when the distance between the current transformer and the instrument transformer or the relay is above 10m (30ft).

How to read CT specification?

The CT Accuracy Class is listed on the label or the nameplate of the CT and is comprised of three parts: rated ratio accuracy rating, class rating, and maximum burden (Figure 2). Rated Ratio Accuracy Rating is a number which is the rated ratio expressed as a percent.

What is the CT ratio for 33kv?

CT Ratio: 600-1200/1A.

What are the specifications of a current transformer?

The rating of the Current Transformer's secondary winding shall be 1 (One) Amp. The secondary terminals shall be brought out in a compartment for easy access. The primary terminals shall be heavily tinned electrolytic of 99.9% conductivity. The minimum thickness of tinning shall be 1.5 microns.

What are the specifications of a transformer?

. 1 The standard ratings of transformers shall be 100,200, 315, 630, 1000,1250,1600,2000 & 2500. 5.3 The windings of the transformers shall be connected to Delta on the primary side and star (Y) on the secondary side. The neutral of the LT winding shall be brought out to a separate terminal.

What are the basic specifications of a transformer?

Power Rating (kVA or MVA): The power rating stands among the primary specifications of transformers. The measurements for transformer power ratings are done as kilovolt-amperes (kVA) and megavolt-amperes (MVA). The transformer's rating describes its highest power capacity for safe operation.

What are CT specifications?

Temperature Range : Working –25 to +50˚C, relative humidity 85% Frequency : 47… 63Hz (400Hz on request) System Voltage : 720V max. Test Voltage : 3KV for 1 minute.

For pdfFiller’s FAQs

What is Technical Specification for 22 KV Current Transformers?

The Technical Specification for 22 KV Current Transformers outlines the design, performance requirements, and installation guidelines for current transformers used in 22 KV electrical systems. It includes parameters such as insulation levels, accuracy classes, thermal and dynamic ratings, and mechanical construction details.

Who is required to file Technical Specification for 22 KV Current Transformers?

Typically, electrical engineers, project managers, and procurement teams involved in the design and purchasing of electrical equipment are required to file the Technical Specification for 22 KV Current Transformers. This ensures that the specifications meet regulatory and operational standards.

How to fill out Technical Specification for 22 KV Current Transformers?

Filling out the Technical Specification involves providing detailed information on the required specifications such as voltage ratings, accuracy class, burden rating, frequency, insulation type, and any specific operational environments. It's important to follow the predefined format and guidelines set by the regulatory authority or company policy.

What is the purpose of Technical Specification for 22 KV Current Transformers?

The purpose of the Technical Specification is to ensure that the current transformers meet the necessary electrical standards, safety requirements, and operational efficiency. It serves as a reference document throughout the procurement, installation, and maintenance processes.

What information must be reported on Technical Specification for 22 KV Current Transformers?

The information to be reported includes type of current transformer, rated voltage and current, insulation level, accuracy class, thermal rating, burden rating, frequency, mechanical dimensions, material specifications, and compliance with applicable standards and regulations.