TECH TIPS

All information contained in these tips is presented as-is.  Galco Industrial Electronics does not
claim responsibility for either the accuracy or consequences of any third party using this information.
 

Drives, Motors & Motor Control

• Cabinet Cooling Tips
• Five Solutions to Braking Control
• Motor Configuration & Control:
1. Starter/Contactor Configuration
2. Inverter Bypass Configuration
3. Soft Start Controls & Solid State Starters
4. Variable Frequency Drives
5. Installing Power Factor Correction Capacitors
6. Typical Motor FLA Ratings
• Step-by-Step Motor Control Selection Guide

Components & Renewal Parts

• Heat Sink Compound (for installing power semiconductors)
• Mounting Power Semiconductors
• Overload and Derating Charts for Avtron Power Resistors
• Overload Relays
• Selecting Switches per NEC & IEC
• Starter and Fuse Selection - IEC
• Starter and Fuse Selection - NEMA
• Field measurements on High Power Press-Pack Semiconductors

Power Quality & Productivity

• A Word About Power Quality and Productivity
• Harmonics and Their Effects On Power Distribution Systems
• Harmonic Distortion (PFCC)
• Power Factor Correction Caps
• Reactors Provide a Low Cost Solution to Inverter/Drive Power Quality
• Load Reactors - Increase VFD System Performance and Reliability
• Line Reactor Sizing Procedure
• Using 3-Phase Reactors on Single-Phase Applications
• Selecting MOV Transient Voltage Suppressors
• Zone Approach to Power Quality

Test Instruments & Measurement

• Power Semiconductor Device Testing and Limitations: (full .pdf)
1. SCR and Diode Resistance Measurements with a Volt-Ohmmeter
2. Testing Limitations of the Consolidated Electronics, Inc. PST2000 and PST5000
3. Testing Limits of Sencore LC102 and SCR250 (Auto-Z)
4. Testing with a Huntron Tracker
5. IGBT Handling Precautions
6. IGBT Testing
• Test Instruments as Personal Protective Equipment (.pdf)
• Why Calibrate Your Test Equipment?

Arc Flash Protection & Safety

• Arc Flash FAQ
• Arc Flash Terms & Definitions
• Arc Flash Fast Facts
• NFPA 70E 2009 Requirements

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