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Technical Article: Mechanical Voltage Regulator Characteristics - Power Quality vs Line Drop
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From Utility Systems Technologies, Inc.
The primary differences between power quality and utility applications are the range of input voltage regulation and voltage levels, but there are other, less obvious, differences including the terms used for these units. For power quality applications the mechanical AVR goes by names such as: electromechanical voltage regulator or stabilizer, mechanical tap changing voltage regulator, tap switching voltage regulator, motorized variable transformer, motorized variac, magnetic induction voltage regulator or stabilizer, servo voltage regulator or stabilizer, motor-driven variable autotransformer and variable autotransformer. Products & Services
Three phase uninterruptible power supplies (UPS) operate in conjunction with existing electrical systems to provide power conditioning, back-up protection, and distribution for electronic equipment loads that use three-phase power.
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Learn more about Three Phase Uninterruptible Power Supplies (UPS)
Uninterruptible power supplies (UPS) are backup batteries that provide emergency power to electrical systems in case power becomes unavailable. They are connected between a power source (such as an electrical outlet) and the equipment to protect (such as a motor or computer).
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Learn more about Uninterruptible Power Supplies (UPS)
Power or line conditioners regulate, filter, and suppress noise in AC power for sensitive computer and other solid state equipment.
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Learn more about Power Conditioners
Line conditioners, also known as power conditioners or power line conditioners, are regulators that protect equipment from excessive fluctuations in the utility line, or power system voltage.
Learn more about Line Conditioners
Single phase uninterruptible power supplies (UPS) sit between an AC outlet and an electronic device to provide power conditioning, back-up protection, and distribution for electronic equipment loads. They also prevent power disturbances from affecting the performance and life of the electronic device and vital data.
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Learn more about Single Phase Uninterruptible Power Supplies (UPS)
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Topics of Interest
The typical electronic tap switching voltage regulator works very much like the mechanical tap switching regulator - except that it replaces mechanical servo drives and brushes with solid-state...
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This type of voltage regulator has been in use for more than 50 years and has seen refinements throughout the years primarily with advances in control technology and servo drive systems. This type of...
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The EVR is the modern standard for voltage regulation in most power quality applications. While an EVR will be about 25% higher in cost than a comparable mechanical voltage regulator, the difference...
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An AVR takes in a range of voltage levels and automatically outputs a voltage with a much narrower range of voltage levels. For example, a typical automatic voltage regulator for power quality...
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An AVR is at the heart of devices often called power conditioners or power stabilizers. The typical power conditioner is an automatic voltage regulator combined with one or more other power-quality...
(Read More)
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