RGX Regenerative VFD | Variable Frequency Drives (VFD) | HVAC/R VFD

RGX regenerative variable frequency drives

Demand more energy efficiency.

The RGX series of variable frequency drives is specifically designed to meet regenerative and/or low harmonic needs through the use of an active, bidirectional power converter on the front end of a common DC bus drive.

Eliminate the need for an external resistor or mechanical braking, thus simplifying system design, with the RGX VFD’s dynamic performance and great motor handling. It also delivers superior reliability, reducing total current distortion to 2–3%. The Active Front End design offers energy savings and design compatibility for a wide range of applications.

The RGX VFD impacts a wide range of applications including conveyors, ball mills, extruders, centrifugal pumps, driver winders and a variety of test stands.

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Core features of the RGX regenerative VFD

Ease of use: Uses the core SPA/SPI drive platform therefore, sharing many of the drive-related characteristics of the component drive including Startup Wizard and built-in applications
Space-saving design: All-in-one package that includes circuit protection, LCL filtering, and AFE drive in a single enclosure

Efficiency: Exceptional energy savings is achieved the regenerative braking feature
Rugged: Reliable control module and operating system as SPX, shared components for inverter and Active Front End for reduced spare parts
Reliable: Meets IEEE-519 standards by reducing THD 2-3%.

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Specifications

Eaton's enclosed drives portfolio

Standard options

Enclosure options

NEMA Type 1, 1 filtered,12, 3R, 7
Wall-mount
Floor-mount
Space heater

Pilot device options

Indicating lights
Pushbuttons
HOA switches
Speed potentiometers
E-stops
External keypad

Control options

CPT
Terminal blocks
Control relays
Timers

Metering options

Elapsed time meter
Volt meter
Amp meter
Frequency meter
Power meter

Input power options

Circuit breaker disconnect
Fused disconnect
Fuses
Surge protection
Input reactor

Bypass options

Three-contactor bypass
Reduced voltage soft starter (RVSS) bypass

Output power options

Output contactor
Output reactor
dV/dt filter
Sine wave filter

Technology comparison

Technology	Eaton VFD type	How it works	Typical THD	Advantages	Disadvantages
Inductive reactors	EGS SVX	Mitigates higher-order harmonics by providing high input impedance that limits high-frequency currents.	33-38%	Low-cost, simple application	Low effectiveness Voltage drop concerns
12-Pulse converters	HCX	Two parallel 6-pulse converters fed by parallel isolation transformer paths, phase shifted 30°, which mitigates 5th and 7th order harmonics. Input impedance mitigates higher-order harmonics as well.	12-18%	Simple to apply Extremely robust	Not as effective as other methods Relative high cost compared to passive filter
Passive filters	EGF CFX	Provides high input impedance for higher-order harmonics and a shunt-tuned reactor and capacitor to mitigate 5th and 7th harmonics.	6-8%	Simple retrofit Low cost for performance Insensitive to voltage balance	Challenges with generator design Power factor issues Less robust than 18-pulse
18-Pulse converters	CPX	Three parallel 6-pulse converters fed by a single-phase shifting autotransformer, phase shifted 20° to cancel all harmonics below the 17th. Input impedance mitigates higher-order harmonics as well.	3-6%	Simple to apply Extremely robust	Higher cost on small hp
Active Front End drives	RGX	IGBT-based front end pulls relatively linear power from the line and uses a L-C-L filter to mitigate the IGBT switching noise.	3-5%	Slightly higher efficiency Immune to voltage imbalance Regeneration capability	High cost, not as robust as 18-pulse

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How to buy from Eaton

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Contact your Local Distributor for pricing, availability, ordering, expediting, and repairs.

Questions before you buy

Contact Eaton's Drives Pre-Sale Team for application support and quotes

Voice: 877-ETN-CARE (386-2273) option 2, option 6, option 1

(8:00 a.m.–5:00 p.m. Central Time U.S. [UTC –6])

Email: PresaleVFD@Eaton.com

How to buy

Contact EatonCare Customer Support Center for order placement, product price information, returns other than warranty returns, and information on local distributors or sales offices.

Voice: 877-ETN-CARE (386-2273)

(8:00 a.m.–5:00 p.m. Central Time U.S. [UTC –6]

Voice for emergencies after hours: 800-543-7038 (6:00 p.m. – 8:00 a.m. Central Time U.S. [UTC –6])

Technical support

Contact Eaton's Drives Technical Resource Center for VFD startup, communication support and troublshooting

Voice: 877-ETN-CARE (386-2273) option 2, option 6, option 3

(8:00 a.m.–5:00 p.m. Central Time U.S. [UTC –6]

Voice for emergencies after hours: 800-543-7038 (6:00 p.m. – 8:00 a.m. Central Time U.S. [UTC –6])

Email: TRCDrivestechsupport@Eaton.com

VFD Training

Learn more about Eaton's variable frequency drive training opportunities.

Warranty request

Contact Aftermarket Drives Support for warranty questions and/or concerns

Email: VFDAftermarketEG@Eaton.com

Eaton is a power management company with 2018 sales of $21.6 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 100,000 employees and sells products to customers in more than 175 countries.

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