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What is the function of a voltage regulator?

TIPS：This article delves into the functions of voltage regulators, covering key roles like voltage stabilization, equipment protection, power quality improvement, and system reliability enhancement. It also compares different types – relay-type, SVC, inverter-type, and BK – AVR contactless voltage regulators – using tables, highlighting their suitable environments, advantages, and disadvantages. With a focus on BKPOWER’s BK – AVR contactless voltage regulators, it helps you choose the right voltage regulator based on power needs, usage environment, and product quality to ensure stable operation of electrical equipment.

Régulateur de tension

I. Introduction

Voltage regulators are essential devices in modern electrical systems, ensuring stable voltage supply and protecting electrical equipment from damage. This article explores the key functions of voltage regulators and compares different types using tables.

II. Basic concept and working principle

1. La définition

A régulateur de tension is a device that maintains a constant voltage level in an electrical circuit, automatically adjusting the output voltage regardless of input voltage fluctuations or load changes.

2. Working principle

TypePrincipe de fonctionnement
Relay-typeUses relays to switch between transformer taps for voltage adjustment.
SVC-typeUtilizes thyristors to control the conduction angle of transformer windings.
Inverter-typeConverts AC to DC and back to AC to achieve voltage regulation.
BK-AVR contactlessEmploys advanced contactless technology for high-precision voltage regulation.

III. Key functions of voltage regulators

1. Voltage stabilization

Voltage regulators detect fluctuations and adjust output voltage to maintain stability. For example, in residential areas with simultaneous appliance use, voltage regulators prevent drops, ensuring normal operation of household items like refrigerators and air conditioners.

2. Protection of electrical equipment

Voltage fluctuations can damage equipment. Voltage regulators prevent overheating from excessive voltage and ensure proper functioning during low voltage, extending equipment life and reducing maintenance costs.

3. Improving power quality

Voltage regulators filter harmonics and noise, providing clean power. In industrial settings with non-linear loads, they reduce harmonic distortion, ensuring reliable operation of sensitive equipment.

4. Enhancing system reliability

In complex power systems, voltage regulators prevent voltage disturbance spread and ensure local grid stability. During grid faults, they provide voltage support to avoid cascading failures and maintain power supply to critical loads.

IV. Types and applications of voltage regulators

TypeSuitable EnvironmentPourCons
Relay-typeHome, small officesSimple structure, low costSlow regulation, lower precision, shorter lifespan
SVC-typeFactories, data centersFast response, high precisionComplex structure, high cost
Inverter-typeMedical equipment, high-end audio-visual systemsPure sine wave output, effective interference filteringComplex design, high cost
BK-AVR contactless (BKPOWER)Industrial production, commercial buildings, residential homesHigh precision, fast response, long lifespanRelatively high price

V. How to select a voltage regulator

1. Determine power requirements

Choose a voltage regulator with power 1.5–2x the total equipment power for stability.

2. Consider usage environment

Select based on environment: relay-type for low-power home/office; SVC-type or BK-AVR for industrial settings; inverter-type for sensitive equipment.

3. Evaluate product performance and quality

Consider voltage regulation precision, response speed, waveform distortion, brand reputation, and user reviews.

4. Consider cost-effectiveness

BKPOWER’s BK-AVR offers high value, protecting equipment and reducing long-term costs.

VI. Conclusion

Voltage regulators are crucial for stable electrical systems. They stabilize voltage, protect equipment, improve power quality, and enhance reliability. When selecting, consider power needs, environment, performance, and quality. BKPOWER provides reliable solutions for various applications.

Stabilisateur de tension servo triphasé丨BK-SJW-80KVA

RRéférences

  1. Commission électrotechnique internationale (CEI)Site officiel : www.iec.ch
  2. Underwriters Laboratories (UL)Site officiel : www.ul.com
  3. Comité européen de normalisation (CEN)Site officiel : www.cen.eu
  4. Standardization Administration of China (SAC) Site web officiel : www.sac.gov.cn
  5. Zhongguancun Energy Storage Industry Technology Alliance (CNESA)Site web officiel : www.cnESA.org
  6. Organisation internationale de normalisation (ISO)Site officiel : www.iso.org

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