Harmonic distortion may disturb or damage sensitive equipment connected to the same circuit of a variable speed drive. Any distorted voltage and current waveform that deviates from the ideal waveform presents the potential to harm electronic components, which can result in expensive repairs and production downtime. Non-linear loads connected to the electrical supply in industrial […]
The flow and pressure of fans and pumps need to be controlled because water consumption varies during a day. The flow and pressure can be adjusted either electrically with variable speed drives or mechanically with fixed-speed solutions such as inlet guide vanes, throttling valves or hydraulic couplings. The most common flow control method is by means […]
AC electric motors operate by applying alternating current (AC) power to the electric motor. The main parts of AC electric motors are the stator and rotor. AC electric motors stator consist of coils that are supplied with alternating current power and produce a rotating magnetic field. AC electric motors rotor will rotate inside the electric […]
A variable frequency drive (also known as a VFD) adjusts an electric motor’s speed to closely match output application requirements while also reduces energy savings of 10 to 50 percent. Soft start motor controls lower the demands on a motor during start-up, conserving energy and extending the life of the mechanical system. Whether the application […]
ABB is pleased to announce that the DCS800-EP now includes the easy-to-use QuickStart Assistant and the introduction of the ABB DCS800-EP User Manual and wall chart. The ABB DCS800-EP Panel Drive is a DCS800 power module and associated system components mounted and wired on a sub-panel, ready to be installed into an industrial enclosure. Standard components include AC input fuses, […]
ABB Frequency Converters are used to change the frequency and magnitude of the constant grid voltage to a variable load voltage. Frequency converters are especially used in variable frequency AC motor drives. Figure 1 shows the behavior of an induction motor with several motor input voltages. The bold blue curve represents the electrical torque as […]
Baldor has a wide selection of high performance AC brushless servo motors, DC servo motors and stainless steel servo motors for the motion control industry. Baldor has been leading the way in energy efficient industrial motors since the 1920’s – has been supplying the industry with adjustable speed controls since 1952, and has been supplying […]
ABB offers digital based DC drives for a wide variety of applications and in many configurations. ABB DC drives are available in single modules, panel drives, and complete enclosed cabinet variations. ABB DC drives are available in both regenerative and non-regenerative. ABB also offers retrofit and rebuild kits to update the controls for existing drives that […]
Hitachi industrial SJ700 Series AC Variable Speed Drives and inverters are the first off-the-shelf units with integral easy sequence programmable functionality (EzSQ) as a standard feature. The SJ700 Series inverters can handle complex applications with ease because of the new Easy Sequence (EzSQ) programming software, precise positioning, and safe stop according to EN954-1. The SJ700 […]
Variable Frequency Drives are used in applications ranging from small industrial fans to the largest of oil refinery, centrifugal pumps and compressors. About one third of the world’s electrical energy is consumed by electric motors in fixed-speed centrifugal pumps, fan and compressor applications. Variable Frequency Drives worldwide market towards most industrial applications is still relatively small. The […]
ABB now offers the ACQ550 Series variable frequency converter to protect, supply and recycle water. System reliability, pump efficiency and a suite of industry-specific controls enable waste water treatment plants to successfully maintain a reliable water cycle management system. With this in mind, ABB designed a variable speed AC drives specifically for Water/ Wastewater environments and applications. These devices are available, as […]
The newer / updated version of this post can be found in the following link: https://www.precision-elec.com/?p=35927&preview=true FANUC develops and manufactures state-of-the-art automation products and solutions. The product range includes both entry-level and complex CNC products with high-speed functions, digitally controlled servo motors and spindle motors, and user-friendly operator interfaces. The FANUC CNC system is […]
