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2026-09-16 How to Size a VFD: Motor Power, Current & Overload
How to size a VFD correctly: match rated current to motor full-load current, apply overload margin and check derating for altitude, temperature and cable length......
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2026-09-15 VFD Energy Savings: How Much Can You Actually Save?
How much can a VFD save on fans and pumps? Typical savings of 20-50% with a duty-cycle-based calculation method, worked example and payback guidance....
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2026-09-14 VFD Preventive Maintenance: Checklist & Best Practices
VFD preventive maintenance checklist: monthly, quarterly and annual tasks to prevent drive failure, extend capacitor life and avoid unplanned downtime....
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2026-09-11 VFD vs Soft Starter: Which Should You Choose?
VFD vs soft starter: compare starting current, speed control, energy savings, cost, and applications to choose the right motor starting solution....
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2026-09-07 VFD Selection Guide: How to Choose the Right Variable Frequency Drive
Choosing a variable frequency drive (Wolong VFD) doesn't have to feel like d...
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2026-08-27 Light Duty vs. Heavy Duty in Variable Frequency Drives: Understanding Your Load Before You Select
When selecting a variable frequency drive (VFD), the two power ratings printed o...
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2026-08-25 Wolong WD5100 Series Medium Voltage VFD for Ball Mill Applications
Ball mills are widely used in mining, cement, ceramics, minerals processing, and...
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2026-08-24 How to Troubleshoot IGBT Faults in a Variable Frequency Drive
Learn how to diagnose IGBT faults in your VFD with this step-by-step guide covering static testing, dynamic fault analysis, and safety precautions....
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2026-08-24 Wolong WD400 VFD for Water Supply Plant Applications
Water supply plants rely on pumps running under variable load conditions through...
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2026-08-21 A Beginner’s Guide to Efficiency and VFDs
In modern industrial automation, precise motor control is essential for lowering...
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2026-08-19 Why Communication Protocols Matter in Inverter Selection
When selecting an industrial inverter (Variable Frequency Drive / VFD), procurem...
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2026-08-15 Restoring Factory Defaults: A Technical Guide to Troubleshooting VFD Parameter Mis-configurations
In modern industrial automation and motor drive control, Variable Frequency Driv...
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2026-08-11 How to Program a VFD: A Practical Guide to VFD Parameter Setup and Commissioning
When people talk about “programming” a Variable Frequency Drive (VFD), they are ...
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2026-08-11 VFD Fundamentals Explained: The Core Logic Every Electrician Should Understand
Variable Frequency Drives (VFDs) can look complicated at first. A typical drive ...
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2026-08-07 Mastering VFD Selection: A Step-by-Step Guide for Industrial Motors
Selecting the right Variable Frequency Drive (VFD) is critical for optimizing en...
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2026-08-06 Variable Frequency Drive Explained: 15 Essential Knowledge Points Every Engineer Should Know
A Variable Frequency Drive (VFD) is one of the most important technologies in mo...
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2026-08-06 Why Do VFD Parameters Get Lost? Causes, Prevention, and Recovery Guide
Why Do VFD Parameters Get Lost? Causes, Prevention, and Recovery GuideVariable F...
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2026-08-03 What Is a Sine Drive? Understanding Sine Output Technology in Variable Frequency Drives [2026]
The term “sine drive” is sometimes introduced as a new generation of variable fr...
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2026-09-14 WD400-T3-110G Model Database
ModelDuty RatingRated Power (kW)HPInput Current (A)Continuous Output Current (A)...
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2026-09-14 WD400-T3-110G TECHNICAL DATASHEET
WD400-T3-110G TECHNICAL DATASHEETWD400 Series High-Performance General-Purpose A...
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