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Switchgear RFQ Checklist
04 Nov
Charging & Energy Storage, Industry Standards, Renewable Energy Projects

Switchgear RFQ Checklist: Specifications, Drawings and Documents Buyers Should Provide

Posted by author-avatar DHDL
November 4, 2026
Prepare an accurate switchgear RFQ with 12 essential specifications, SLD requirements, protection details, drawings and a practical buyer checklist.
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transformer FAT vs SAT
29 Oct
Case Studies, Industry Standards, Inudustry Trends

Transformer FAT vs SAT: Testing Checklist, Required Documents & Buyer Responsibilities

Posted by author-avatar DHDL
October 29, 2026
Compare transformer FAT vs SAT, including factory tests, site commissioning checks, required documents, buyer responsibilities and an RFQ checklist.
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Power Factor Correction Panel Sizing
26 Oct
Case Studies, Industry Standards, Product Insights

Power Factor Correction Panel Sizing: kVAR Calculation, Detuned Reactors & RFQ Checklist

Posted by author-avatar DHDL
October 26, 2026
Learn how to size a power factor correction panel using kVAR calculations, capacitor steps and harmonic data. Includes technical specifications and an RFQ checklist.
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how to calculate transformer capacity
15 Oct
Grid & Distribution, Industry Standards

How to Calculate Transformer Capacity (kVA): Formula, Sizing Examples & Buyer’s Checklist

Posted by author-avatar DHDL
October 15, 2026
Learn how to calculate transformer capacity using kW, kVA, power factor and three-phase current. Includes sizing examples, technical specifications and an RFQ checklist.
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parallel operation of transformers
10 Oct
Blog, Industrial Power Projects, Industry Standards

Parallel Operation of Transformers: Compatibility Requirements, Common Risks & Procurement Checklist

Posted by author-avatar DHDL
October 10, 2026
Learn the key requirements for parallel operation of transformers, including voltage ratio, vector group, impedance, load sharing, protection and procurement checks.
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21 Sep
Case Studies, Industry Standards, Inudustry Trends

Transformer Earthing Explained: Grounding Requirements for Safe Operation

Posted by author-avatar kai xin
September 21, 2026
A transformer does more than transfer electrical energy between voltage levels. It must also be prop...
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Transformer RFQ Checklist
01 Sep
Blog, Case Studies, Charging & Energy Storage, Industry Standards

Transformer RFQ Checklist: Specifications Buyers Must Provide for an Accurate Quote

Posted by author-avatar DHDL
September 1, 2026
Use this transformer RFQ checklist to prepare an accurate quotation. Learn the key specifications buyers should provide, including kVA, voltage, vector group, impedance, winding, site conditions, testing, and delivery requirements.
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22 Aug
Blog, Case Studies, Industry Standards, Inudustry Trends, Product Insights

How Ambient Temperature Changes Transformer Design Requirements

Posted by author-avatar kai xin
August 22, 2026
Ambient temperature is one of the most overlooked factors in transformer design and selection. A tra...
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75kVA 3 Phase Transformer
18 Aug
Blog, Industry Standards, Product Insights, Renewable Energy Projects

75kVA 3 Phase Transformer: Specifications, Applications & Buyer’s Guide

Posted by author-avatar DHDL
August 18, 2026
Learn how to select a 75kVA 3 phase transformer, including full-load amps, voltage options, applications, oil vs dry type, losses, sizing and key RFQ specifications.
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