Medium voltage AC drive for control of motors up to 6.9 …

2018-10-30 · ABB has been driving the evolution of state-of-the-art medium voltage drive technologies for more than 35 years. IGCT In 1996 ABB introduced IGCT (Integrated Gate Commutated Thyristor) semiconductors, fast switching power switches that have inherently low losses. Until then the power switches for medium voltage drives had been either GTOs or IGBTs.

Medium voltage motors | up to 13.8 kV and 25 MW

Menzel manufactures medium to high voltage asynchronous motors up to 13800 V (13.8 kV) with squirrel-cage rotors up to 25000 kW (25 MW) as well as slip ring rotors up to 8000 kW (8 MW). Various electrical and mechanical designs as well as all types of protection and cooling are possible. Our motors are designed for mains or inverter operation ...

M-SERIES MVD DRIVES The power of medium voltage …

2020-9-28 · unique concept within the medium voltage motor control market, separates the core control system (including the controller and complex, time critical algorithmic processing) from the medium voltage power section. GALVANIC ISOLATION The interface board is located in a separate, dedicated section of the medium voltage compartment.

Electrifying the Oil and Gas Industry

2021-6-11 · Building on GE''s extensive medium voltage drive family, offering a wide power range at various voltages, GE''s newest advanced air-cooled medium voltage drives offer efficient motor control that enables increased efficiency, accuracy and flexibility across a variety of oil and gas applications. MV6 Series 500 kw to 5500 kw, 6/6.6 kv

Medium Voltage AC Drive

2015-4-9 · The Bulletin 1557 drive is a Pulse Width Modulated Current Source Machine side converter (PWM - CSI). It is designed to supply 3 phase currents to standard induction motor loads. The Bul. 1557 MV (medium voltage) drive converts 3 phase 50/60 Hz input power to an adjustable AC frequency current source for speed control of AC squirrel cage motors.

MV Drives, August 2012 ABB drives in mining Medium …

2021-2-17 · An ABB medium voltage drive was installed to soft start the motor, allowing a smooth ramp up. The existing gearbox did not need to be replaced and the speed could be increased by almost 25%. Benefits: Improved process control Elimination of motor problems Longer lifetime of conveyor equipment Minimized downtime

Medium voltage motor specification | Mike Holt''s Forum

 · My company has a very old medium voltage (4160V) motor specification that I am reviewing/updating. None of the people who created it are still with the company. There are two requirements that I have been looking into: Windings shall withstand a …

SPECIFICATION SECTION [16260] FOR MEDIUM …

2017-4-9 · frequency drive (VFD), or adjustable frequency drive (AFD) is a device used to vary the speed of a motor. 2. NPC Neutral Point Clamp is an ASD topology that has the advantage of reducing the high line to neutral voltage that can occur in other traditional drive designs that can reach 2.7 to 3.3 times normal levels.

MV7000

2021-6-11 · medium voltage drive suitable for a wide range of power conversion applications. Easy to install and maintain, the drive offers high reliability and availability and helps increase the uptime of critical processes. The MV7000 provides a flexible approach to achieve a customized solution across different applications. With the MV7000 our power

A Medium-Voltage Motor Drive With a Modular Multilevel …

2010-2-8 · Abstract: This paper describes the control and operating performance of a modular multilevel PWM inverter for a transformerless medium-voltage motor drive. The inverter is prominent in the modular arm structure consisting of a cascaded stack of multiple bidirectional chopper-cells. The dominant ac-voltage fluctuation with the same frequency as the motor …

Christian Bruderer Medium Voltage Drives

2007-11-12 · Drive Type Voltage Source – PWM (Majority Applications) Current Source – (very few systems) Type of Motor - Induction Packaging Chasis Type Wall mount Stand alone Medium Voltage Drives Voltage Rating > 600 V (NEC), > 1000 V (IEC) Power Range 500 HP to 135,000 HP Drive Type Voltage Source – PWM Current Source Type of Motor Induction ...

A CSI-based medium voltage multi-motor drive | Request …

Medium-voltage (MV) drives are generally based on either voltage-source inverters or current-source inverters (CSIs). CSIs feature simple topology, motor-friendly waveforms, power reversal ...

Medium Voltage technical guide

2017-9-9 · The term "medium voltage" is commonly used for distribution systems with voltages above 1 kV and generally applied up to and including 52 kV(1). For technical and economic reasons, the service voltage of medium voltage distribution networks rarely exceeds 36 kV. The connection of an electrical installation to a MV utility distribution network

Medium Voltage Motor Repair Capabilities | Smith Services

2021-8-5 · A: What constitutes a medium voltage motor is a voltage rating of 2,300 volts, or greater than 1,000 volts and up to 13,800 volts. From an industrial perspective, your smaller applications, sub-hundred horsepower applications …

A Study on Insulation Problems in Drive Fed Medium …

2017-3-21 · medium voltage motors are mostly associated with the voltage stresses on the surface of the coils. PD erodes the mica layers, aggravating the problem and, perhaps, eventually destroying the whole stator insulation system. At present, there is no industrial standard available to evaluate the groundwall insulation life of motors fed from PWM-VSC. To

Medium Voltage Adjustable Speed Drives | Motors Drives ...

TIC entered the North American medium voltage adjustable speed drive market in 2002 and has since developed some of the most reliable adjustable speed drives in the market. Our medium voltage drives are designed, manufactured and tested in our Houston facility

An Engineering Guide to Soft Starters

A variable speed drive (VSD) is a device that can control the speed of an electric motor by controlling the frequency and voltage of the electrical power supplied to it. When a drive starts a motor, it initially applies a low frequency and voltage to the motor thus allowing high inrush currents to be avoided.

SPOC Resources | 4160V vs 480V medium voltage control …

2021-12-17 · Considering that 800-1,000HP motors are the most common in the oilfield, a medium-voltage drive is simply overkill. Compare energy usage of our two options on one pump. 4160V = 25.4kW. 480V = 14.5kW. Energy savings = 25.4kW – …

What''s New In Medium Voltage Drives

2016-3-22 · Medium Voltage Drive rectifier dc link inverter AC supply AC motor MV drive Voltage Range dc link Voltage Range Power Range 1kV 3.3 kV 4.16 kV 6.6 kV 2.3 kV 11 kV 15 kV 35 MW Power Range 02 05 1MW2MW 4MW 8MW 12 MW Slide 7 / What''s New with MV Drives & IEEE 1566 - IEEE SAS & NCS 2014 0.2 MW 0.5 1 MW 2 MW 4 MW 8 MW 12 MW MW

Medium-voltage Drives FRENIC4600FM6e

2020-3-31 · The multi-level PWM control of Fuji medium-voltage drives makes it possible to suppress the DC intermediate volt-age, and effectively controls the overvoltage generated at the motor terminals. In the 10 kV class Fuji Electric''s medium-voltage drives, the output voltage changes in 17 steps (corresponding to 17 levels) within 1/4 cycle.

Understand Specifications for Large-Horsepower Motors ...

2016-8-10 · Medium-voltage motors must meet the service factor rating continuously. In other words, a 1,000-hp motor at 1.15 is actually designed as a 1,150-hp motor, which will probably cause the frame size to increase. The pump specification may require 10 percent additional operating margin or safety factor.

Understand Specifications for Large-Horsepower Motors ...

Medium voltage motors | up to 13.8 kV and 25 MW

Medium Voltage VSDs in mill drive applications

2016-3-29 · Until recently medium voltage VSD drive technology was very com-plex but with the introduction of medium voltage IGBTs in the late 90s it has become a much simpler and more reliable solution. Mod-ern design makes use of 12,18 or 24 pulse input rectifiers and 6,5 kV IGBTs. This eliminates the use of multiple low voltage components

What is a Medium Voltage Drive (VFD)?

2020-9-21 · 09/21/2020. Medium voltage drives (also called VFDs or variable frequency drive) are adjustable speed drives used to control the torque and speed of AC motors. The use of VFDs in industrial powertrains is increasing, in part due to a reduction in their cost and size. If you are in the market for a VFD or you need to replace one, there are ...

Medium Voltage Drives Selection Guide

2019-5-28 · medium voltage drive enables soft-starting and variable-speed control of processes with high power demands, to reduce energy costs, maintenance and motor wear. The advanced power semiconductor technology reduces component count to the lowest of any medium voltage drive available, translating to increased savings and

When Should Inverter-Duty Motors Be Specified?

2013-10-3 · motor and the drive, the voltage waveform will reflect at the motor terminals. This creates a . standing wave (see Figure 1). Longer motor cables favor higher amplitude standing waves. Voltage spikes have occurred with peak values as high as 2,150 volts (V) in a 480-V system operating at 10% overvoltage.

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