It looks like you are using a browser that is not fully supported. Please note that there might be constraints on site display and usability. For the best experience we suggest that you download the newest version of a supported browser:. Energy automation and smart grid Low-voltage — power distribution Medium-voltage — Power distribution Product support TechTopics.
Medium-voltage switchgear Medium-voltage outdoor distribution products Medium-voltage motor controllers Wildfire Mitigation Program E-House. SFR medium-voltage voltage regulators. Medium-voltage voltage regulators, type SFR. The step-type voltage regulator takes an incoming voltage that will vary with load conditions and maintains a constant output voltage. This reduction in voltage reduces the amount of power used by the lighting portion of the load.
The same principle can work for the utility company when it needs to reduce the voltage by a predetermined amount, thus reducing the overall power demand and delaying capital investments to meet peak demand. Siemens provides a full range of ratings for most system voltages and current applications; manufacturing everything from the smallest single-phase pole mount unit to large substation regulators.
Our manufacturing experience for voltage regulators and controls is unsurpassed in the industry. Today, Siemens has the largest quantity of regulators installed worldwide. Siemens offers distinct advantages with all of our three-phase regulators engineered and manufactured in-house. Our expertise in both technology and service gives us additional advantages in the custom engineering necessary for most three-phase regulator applications.
The SFR voltage regulator has proven its reliability and durability in the toughest environments. Features and benefits. Options include: Liquid-temperature indicator with or without alarm Pressure-relief gauge with or without alarm. Technical data. Ratings for 60 Hz applications. Maximum design voltage kV. Footnote: ONAN denotes oil normal, air normal cooling. ONAF denotes oil normal, air forced cooling. Mailing address. Related topics. Distribution automation Distribution automation. Medium-voltage disconnect switches Medium-voltage disconnect switches Outdoor products are essential components of medium-voltage distribution grids.
The layout and positioning of the controls is on the narrow end of the box, which allows for additional placement options and smaller operational space requirements. The controls are ergonomically positioned for easy access for operators. The bushing connections and sample valve reside in the lower enclosure.
With the Siemens padmount voltage regulator, safety and reliability are enhanced, construction costs are reduced, and land requirements are smaller for a more attractive physical profile for the public. Each Siemens padmount voltage regulator is delivered fully equipped, ready for installation, and includes:. Outdoor products are essential components of medium-voltage distribution grids.
Siemens' comprehensive outdoor portfolio of switching devices and vacuum circuit breakers is designed for a wide variety of applications and climatic conditions. This page requires JavaScript in order to be fully functional and displayed correctly.
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For the best experience we suggest that you download the newest version of a supported browser:. Energy automation and smart grid Low-voltage — power distribution Medium-voltage — Power distribution Product support TechTopics.
Medium-voltage switchgear Medium-voltage outdoor distribution products Medium-voltage motor controllers Wildfire Mitigation Program E-House. JFR medium-voltage voltage regulators. Medium-voltage voltage regulators, type JFR. The step-type voltage regulator takes an incoming voltage that will vary with load conditions and maintains a constant output voltage. This reduction in voltage reduces the amount of power used by the lighting portion of the load.
The same principle can work for the utility company when it needs to reduce the voltage by a predetermined amount, thus reducing the overall power demand and delaying capital investments to meet peak demand. Siemens provides a full range of ratings for most system voltages and current applications; manufacturing everything from the smallest single-phase pole mount unit to large substation regulators.
Our manufacturing experience for voltage regulators and controls is unsurpassed in the industry. Today, Siemens has the largest quantity of regulators installed worldwide.
Features and benefits. Features Features include: Electrostatically-applied polyester paint provides greater resistance to corrosion in harsh environments. Type stainless steel external hardware to eliminate rust and galling. Sealed tank has pressure relief device to vent gases produced during tap changes. External metal-oxide varistor MOV bypass arrester provides superior protection to the regulator series winding from surge and system transients.
Oil-sight gauge allows oil levels and oil conditions to be checked without de-energizing the regulator. Motor capacitor installed in the control cabinet allows replacement without bypassing and transitioning the regulator out of service. Polarized disconnect switch PDS facilitates easy control installation of change out without taking the regulator out of service. Cover-mounted terminal block provides easier access to wiring by eliminating the need to go under the oil to change tap connections.
Monitor and automatically control output voltage through the use of state-of-the-art microprocessor control panels MJ High-creep bushings provide a minimum creep distance of 17" mm.
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