Slip Ring Starter
An Auto transformer starter uses an auto transformer to reduce the voltage applied to a motor during start. The auto transformer may have a number of output taps and be set-up to provide a single stage starter, or a multistage starter. Typically, the auto transformer would have taps at 50%, 65% and 80% voltage, enabling the motor to be started at one or more of these settings. The slip ring induction motor has two distinctly separate parts, one is the stator and other is the rotor. The stator circuit is rated as same in the squirrel cage motor, but the rotor is rated in frame voltage or short circuit current. These motors are usually started with full line voltage applied across its terminals. As these motors have external resistance connected to its rotor circuit, the value of starting current is adjusted or kept minimum, by increasing the resistance of the rotor circuit.
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Shivam is the leading manufacturer of PCC panels (Power Control Centre) in India, which are used for diverse industrial applications and provide reliable and effective service. These panels are manufactured as per client's specifications and requirements which very well meet with the industry demands. Power Control Centre is considered to be the heart of an electrical system in any industry. Therefore it shall offer users long term reliability, safety, low maintenance & testing time. Shivam offers state of art PCC panels, manufactured by employing modern engineering practices with consideration of safety & reliability main aspects of this series. It has got numerous added features which were incorporated with the help of in house product analysis and continuous field feedback. These PCCs are manufactured as per latest international standards link IEC439, EN60934, and IS8623 etc.
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We bring to our clients a wide range of drive panels that can be availed at industry leading prices and also in customized specifications. These drive panels are used to monitor machines and provides on site operating control of machines. Designed as per set industry standards, our range is offered at industry leading prices. A Drive Panel is used to save the power in the industries where there is huge power requirement like Sugar mills, Steel plants, Refineries, thermal power plants, etc. The Drives are available in AC as well as DC options. These drives are PLC based and saves electricity up to 30%, which in such large plants matters a lot. Drive panels are also manufactured for small machineries also such as agricultural machines and synchronous machines.
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When switchgear malfunctions, the consequences are often catastrophic. Damage to the switchgear itself can be extremely expensive, but that pales in comparison to corollary damage and the potential hazards to people. Thats why implementing an effective switchgear testing, inspection and maintenance program is essential.
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A Drive Panel is used to save the power in the industries where there is huge power requirement like Sugar mills, Steel plants, Refineries, thermal power plants, etc. The Drives are available in AC as well as DC options.
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This drawback is overcome by using an APFC panel (Automatic Power Factor Correction Panel) which not only maintains a high power factor but also eliminates the need for constant manual intervention. Automatic Power Factor Control Panel is designed to maintain power factor of plant to unity. To maintain power factor of unity means to achieve demand in KVA on lower side. Power factor is maintained to set value using APFC relay in auto mode where as in case of failure of APFC relay push buttons are used. Auto as well as manual mode is provided for power factor control. Various types of capacitors are used depending on load conditions.
...moreAuto Transformer Starter
An Auto transformer starter uses an auto transformer to reduce the voltage applied to a motor during start. The auto transformer may have a number of output taps and be set-up to provide a single stage starter, or a multistage starter. Typically, the auto transformer would have taps at 50%, 65% and 80% voltage, enabling the motor to be started at one or more of these settings. The slip ring induction motor has two distinctly separate parts, one is the stator and other is the rotor. The stator circuit is rated as same in the squirrel cage motor, but the rotor is rated in frame voltage or short circuit current. These motors are usually started with full line voltage applied across its terminals.
...moreAuto Transformer Starter Slip Ring Starter
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