№ lp_2_3_05865
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This document outlines technical specifications and requirements for the installation and commissioning of medium-voltage dry-type transformers, including manufacturer standards, testing criteria, and warranty terms.
Year:
2025
Region / City:
California, USA
Topic:
Medium-Voltage Transformers for Power and Lighting
Document Type:
Technical Specification
Organization / Institution:
Engineering Department
Author:
Unknown
Target Audience:
Engineers, Contractors, and Technicians in Electrical Power Distribution
Period of Validity:
Ongoing
Approval Date:
Not specified
Date of Changes:
Not specified
Price: 8 / 10 USD
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The product description is provided for reference. Actual content and formatting may differ slightly.
Year:
2016
Region / City:
Canada, United States
Subject:
Medium Voltage Distribution Transformer
Document Type:
Technical Specification
Organization:
Hammond Power Solutions
Author:
Not specified
Standards Referenced:
DOE 10 CFR Part 431, NRCan SOR/2018-201, Ontario Green Energy Act ON Reg.404-12, IEEE C57.12.01, CSA C9-02, NEMA ST-20, UL 1562
Voltage Levels:
1.2kV to 5kV
Transformer Type:
Dry-type, single and three-phase
Efficiency Standards:
DOE 2016, NRCan 2019, Ontario 404/12 (2018)
Warranty:
1 year limited
Testing:
Production tests, type tests on request, temperature rise, sound level, short circuit, BIL, partial discharge
Construction:
Convection air cooled, aluminum or copper windings, high-grade silicon steel core
Enclosure:
Type 3R (various options), ANSI 61 Grey finish
Primary & Secondary Voltage Taps:
As per NEMA standards
Target Audience:
Electrical engineers, procurement, and utility professionals
Year:
Not specified
Region / City:
Not specified
Subject:
Electrical equipment, Medium-voltage controllers
Document Type:
Technical specification
Organization / Institution:
Not specified
Author:
Not specified
Target Audience:
Engineers, Contractors, Manufacturers
Effective Period:
Not specified
Approval Date:
Not specified
Modification Date:
Not specified
Section:
26 13 13
Voltage class:
5 kV–15 kV
Document type:
Technical specification
Subject:
Medium-voltage switch-circuit breaker combination switchgear
Equipment type:
Metal-enclosed load-interrupter switchgear with vacuum circuit breakers
Applicable standards:
ANSI/IEEE C37 series; CSA 22.2 series; UL or C-UL listing
Frequency:
50 Hz; 60 Hz
System configuration:
Three-phase, grounded-neutral, ungrounded, or high-impedance grounded
Installation type:
Indoor or outdoor metal-enclosed switchgear
Manufacturer requirements:
Minimum five years experience; ISO 9001 or 9002 certification
Switchgear ratings:
Main bus up to 2000 A; short-time current up to 38 kA
Circuit breaker ratings:
5.0 kV and 15.0 kV classes with specified BIL and current ratings
Submittals required:
Shop drawings, wiring diagrams, schematics, bills of material, manuals
Construction requirements:
Factory-assembled metal-enclosed construction per IEEE C37.20.3
Storage and handling:
In accordance with manufacturer recommendations
Year:
2016
Region / City:
N/A
Subject:
Medium-voltage transformers
Document Type:
Technical specifications
Organization / Institution:
N/A
Author:
N/A
Target Audience:
Engineers, manufacturers, and contractors involved in transformer installation and maintenance
Validity Period:
N/A
Approval Date:
N/A
Date of Modifications:
N/A
Note:
Year
Year:
2016
Region / City:
N/A
Subject:
Medium-voltage transformers
Document Type:
Technical specifications
Organization / Institution:
N/A
Author:
N/A
Target Audience:
Engineers, manufacturers, and contractors involved in transformer installation and maintenance
Validity Period:
N/A
Approval Date:
N/A
Date of Modifications:
N/A
Note:
Year
Topic:
Electrical engineering
Document type:
Paper
Target audience:
Experts in electrical engineering
Year:
2026
Region / city:
Waldenburg, Germany
Topic:
Current Sense Transformers, Design Tool, Electronic Components
Document Type:
Press Release
Organization:
Würth Elektronik
Author:
Würth Elektronik
Target audience:
Developers, Engineers
Period of validity:
N/A
Approval date:
February 3, 2026
Modification date:
N/A
Year:
2016
Region / City:
United States
Topic:
Electrical Equipment, Transformers
Document Type:
Technical Specification
Organization / Institution:
The American Institute of Architects (AIA)
Author:
The American Institute of Architects (AIA)
Target Audience:
Engineers, Architects, Contractors
Validity Period:
N/A
Approval Date:
2016
Amendment Date:
N/A
Year:
2018
Region / City:
Jaipur, Rajasthan, India
Document Type:
Tender Notice
Organization:
The LNM Institute of Information Technology, Jaipur
Contact:
Finance & Purchase Officer, Phone: 0141 5191733, Email: [email protected]
Scope:
Supply of spares and maintenance of 2x1000 kVA transformers, LT & HT panels, ACBs, VCBs, and capacitor panels
Eligibility:
Completion of at least five similar projects
Submission Deadline:
27 June 2018
Location of Work:
Gram-Rupa Ki Nangal, Post-Sumel, Via-Jamdoli, Jaipur
Technical Requirements:
Detailed inspection, cleaning, testing, and repair of transformers, ACBs, VCBs, panels, and related equipment
Financial Requirements:
Price bid including all taxes, transportation, manpower, lodging, and boarding
Year:
2024
Region / City:
Australia and New Zealand
Topic:
Energy efficiency standards for distribution transformers
Document Type:
Regulatory impact statement
Organization / Agency:
Commonwealth of Australia, Department of Climate Change, Energy, the Environment and Water
Author:
Commonwealth of Australia
Target Audience:
Policymakers, industry stakeholders, regulators
Scope:
Distribution transformers
Period Covered:
2024–2051
Legislation:
GEMS Act
License:
Creative Commons Attribution 4.0 International
Note:
Year
Topic:
Electrical Engineering, Power Distribution
Document Type:
Technical Description
Organization / Institution:
Eskom
Target Audience:
Engineers, Electrical Technicians
Year:
2024
Region / City:
Zambia
Subject:
Supply and Delivery of Metering Units and Current Transformers
Document Type:
Tender Clarification
Organization / Institution:
ZESCO Limited
Target Audience:
Bidders and Suppliers
Tender Reference:
ZESCO/ONB/093&094/2024
CT Ratio:
800/400/200/1A
Voltage Rating:
3 Phase, 230/400V
Meter Type:
Digital/Programmable, Postpaid
Compliance Standards:
IEC 60695-2-1, UL94-VO, IEC 62052-11, IEC 62056-21
Delivery Terms:
DDP
Currency for Quotation:
Zambian Kwacha or USD
Brands Preferred:
ISKRAEMECO, CEWE (Secure Meters), ITRON
Year:
2018
Region / City:
Lao PDR
Theme:
Energy Efficiency, Carbon Emission Reduction
Document Type:
Methodology
Organization:
Joint Crediting Mechanism
Author:
Unknown
Target Audience:
Power companies, energy project developers
Period of Validity:
Ongoing
Approval Date:
10 August 2018
Amendment Date:
N/A
Year:
2023
Region / City:
International
Subject:
Electrical Engineering
Document Type:
Technical Reference
Institution / Organization:
Independent Study / Engineering Publication
Author:
Not specified
Target Audience:
Electrical engineers, students, technical professionals
Period of Validity:
Current
Date of Publication:
2023
Materials:
Copper, Aluminum, Steel
Applications:
Power transmission, voltage conversion, electrical isolation
Construction Details:
Primary winding, Secondary winding, Core
Cooling Methods:
Air-cooled, Oil-immersed, Water-cooled
Transformer Classification:
By cooling, insulation, phases, mounting, service, frequency
Key Concepts:
Electromagnetic induction, voltage transformation, winding design, equivalent circuit