Transformers and Voltage Regulators Standards

Transformers & Regulators

• Xfmr Amps (PDF 70KB) - Primary & Secondary Currents for Distribution Transformers
• Xfmr Check (PDF 387KB) - Hastings "Last Check" - Quick Reference Chart
• Xfmr Faults (PDF 75KB) - Transformer Available Fault Current and Secondary Required to Limit Faults to 10kA
• Xfmr Fuse Reference (PDF 109KB) - Reference for selecting proper replacement fuses for 1-phase and 3-phase padmounted transformers with Bay-O-Net fusing.
• Fuse Re-fusing (PDF 759KB) - Bay-O-Net Fuse Re-fusing Installation Instructions
• Xfmr Safety Labels (PDF 79KB) - Transformer Safety Label Application Guide
• Xfmr 3Ph Dim (PDF 65KB) - Physical Dimensions for 3-Phase, Distribution Padmount Transformers
• 25, 50 & 167 kVA 1-Phase (PDF 144KB) - 1-phase Transformer Pad Layout
• 75 - 500 kVA (PDF 153KB), 500 - 1000 kVA (PDF 164KB), 1000 - 2500 kVA (PDF 956KB): 3-phase Transformer Pad Layout
• 25 kVa Sec Connections (PDF 103KB) - 25 kVa Submersible Transformer Secondary Connections Bulletin
• Voltage Regulators - Information Pertinent to the Installation and setup of Padmounted Voltage Regulators.
  • Basic Padmount Regulator Information (PDF 293KB)
  • Instruction Manual for Voltage Regulators (PDF 4.1MB)
  • Fort Collins Communication Setup Notes (PDF 55KB)
  • Installation Instructions for DNP Cards and Power Supplies (PDF 133KB)
  • Cooper 2179 Ordinal Points (PDF 498KB)
  • Cooper 2179 Data Collection Application (DCA) Functional Description (By GE Harris) (PDF 498KB)
  • Cooper DNP3.0 Device Profile (PDF 569KB)
  • Settings for Dixon Creek Voltage Regulators
• Field Repainting Guide (PDF 91KB) - Transformer & Streetlight Repainting Information