IEEE PC57.12.40/D1, Jan 2023
Phase Transformers, 2500 kVA and Smaller; High Voltage, 34 500 V and Below; Low Voltage, 600 V and Below; Subway and Vault Types (Liquid Immersed)
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Availability: Immediate Download
Language: English
License Type: Single User
Updates: Not Included
About This Item
PC57.12.40/D1, Jan 2023 is a technical standard for phase transformers in power, energy, and industry applications, with coverage for liquid-immersed subway and vault types. It addresses units rated at 2500 kVA and smaller, with high voltage up to 34 500 V and low voltage up to 600 V. This makes PC57.12.40/D1, Jan 2023 relevant to equipment selection, design review, and performance expectations where compact transformer installations must meet defined electrical requirements.
About PC57.12.40/D1, Jan 2023
This standard focuses on phase transformer requirements in a defined rating range, helping establish a common basis for engineering, testing, and procurement. PC57.12.40/D1, Jan 2023 is aimed at liquid-immersed subway and vault transformer types, where installation constraints and service conditions can influence design choices. The document is useful when comparing products, checking compliance details, or confirming that transformer characteristics align with specified high-voltage and low-voltage limits.
Where is PC57.12.40/D1, Jan 2023 used?
PC57.12.40/D1, Jan 2023 is commonly used in utility and infrastructure projects that specify liquid-immersed phase transformers for confined locations such as vaults, underground facilities, and subway power systems. It is also relevant in power distribution workflows where compact transformer units must support step-down or supply duties within the stated voltage and kVA range. Engineers, buyers, and inspection teams may use it to align equipment specifications with installation requirements and operating conditions.
Importance in practice
In practice, PC57.12.40/D1, Jan 2023 helps reduce ambiguity in transformer design and acceptance decisions. Clear requirements support consistent procurement, safer installation planning, and more reliable testing for units used in restricted-access environments. The standard can also help teams compare products on a like-for-like basis, especially when voltage rating, capacity, insulation, and construction details affect performance and maintenance. For stakeholders in power and industry applications, this consistency can lower technical risk.
- Phase transformer scope
- 2500 kVA and smaller ratings
- High voltage up to 34 500 V
- Low voltage up to 600 V
- Liquid-immersed subway and vault types
- Publication Date: 2023
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: PC57.12.40 (2024)
- This Version: PC57.12.40 (2023)
- Previous Version: PC57.12.40 (2016)
- Previous Version: PC57.12.40 (2011)
- Previous Version: PC57.12.40 (2011)
- Previous Version: PC57.12.40 (2006)
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