Shanghai Wenlida Technology Co., Ltd.
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Data Center
Data Center

Voltage stabilizers and active harmonic filters protecting servers, UPS systems, and critical IT infrastructure from voltage fluctuations and harmonics

Challenge

Data centers play a critical role in today’s digital infrastructure. With a vast number of servers, UPS units, and computing systems operating continuously, they are highly sensitive to power quality issues such as harmonics, voltage imbalance, interruptions, and transients. Poor power quality or unstable supply can lead to system downtime, equipment failure, or even data loss, causing severe operational and financial impact.

Harsh industrial conditions, including continuous high-temperature environments (up to 60°C), metal dust accumulation, and frequent high-speed switching (up to 10 cycles per minute), accelerate component aging and mechanical wear.

Recommended Products

Our servo and static voltage stabilizers are engineered to handle such demanding high-power loads. Designed for instantaneous current impact, they deliver high capacity, high efficiency, and rapid response, ensuring stable voltage output and reliable operation for laser processing and metalworking systems.

Static Voltage Stabilizer

Our static voltage stabilizers are designed to handle input voltage fluctuations of up to ±30% or higher, responding rapidly to maintain stable output. They provide independent phase regulation, effectively correcting voltage imbalance and ensuring continuous, stable power supply for sensitive IT and networking equipment.

Static Voltage Stabilizer

Solid-state voltage regulator for maintenance-free voltage stabilization and delivering highly stable output voltage for electrical equipment

  • Rated capacity: three-phase 10–1600 kVA, single-phase 3–50 kVA
  • Phase number: single-phase or three-phase (optional)
  • Input voltage: three-phase, five-wire 380 V (± 15%), single-phase 220 V (± 15 %) (customizable upon request)
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Active Harmonic Filter (AHF)

Our active harmonic filter (AHF) uses advanced power electronics technology to dynamically eliminate harmonic distortion. The system detects harmonic currents in real time and injects equal and opposite compensation currents, filtering harmonics up to the 50th order. Controlled by high-speed IGBT modules with switching frequencies up to 20 kHz and a 1 ms current response time, the APF maintains up to 97% filtering efficiency, ensuring clean and reliable power for data center operations.

Active Harmonic Filter (AHF)

Active power filter for real-time harmonic mitigation and reactive power compensation

  • Rated capacity: 30A / 50A / 75A / 100A / 150A / 200A
  • Operating voltage: selectable 400V (-20% to + 20%) / 220V (-15% to + 15%)/ 690V (-30% to + 15%, only for 100A)
  • Operating frequency: 50/60Hz ± 5Hz
  • Wiring method: selectable three-phase, three-wire, three-phase, four-wire
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    Applications
  • Metal Machining & Laser Processing
  • Telecommunication Base Station
  • Data Center
  • Beverage & Dairy Filling
  • Medical Device
  • Renewable Energy (Wind & Solar)
  • Automotive Manufacturing
  • Tire Manufacturing
  • Variable Frequency Drive (VFD)
  • Railway
  • Oilfield Energy Storage
  • Commercial Buildings
  • Metallurgy
  • New Plant Distribution Room
Power Quality Solution Since 1995

Operating two production bases and equipped with 20 production lines, we specialize in the design and manufacturing of voltage regulation and power quality equipment, trusted by global brands including Mitsubishi, Doosan, and Mazak for reliable power quality solutions.

Consult Our Experts

Contact our team of experts to discuss your project requirements and request a quote today.

Contact Us Today!
Main Products
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Servo Voltage Stabilizer
Servo Voltage Stabilizer
Static Voltage Stabilizer
Static Voltage Stabilizer
Voltage & Frequency Converter
Voltage & Frequency Converter
Static Var Generator (SVG), Low Voltage
Static Var Generator (SVG), Low Voltage
Shanghai Wenlida Technology Co., Ltd.

Founded in 1995, Shanghai Wenlida develops and manufactures advanced voltage regulation and power quality equipment designed to maintain stable grid voltage levels, and ensure efficient and reliable operation of industrial and utility power systems.

export@wenlida.com
+86-21-31160606
Products
  • Voltage Stabilizer & Regulator
  • Laminated Busbar
  • Power Quality
  • Energy Storage
Applications
  • Metal Machining & Laser Processing
  • Telecommunication Base Station
  • Data Center
  • Beverage & Dairy Filling
  • Medical Device
  • Renewable Energy (Wind & Solar)
  • Automotive Manufacturing
  • See More
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