SKY Machinery Co., Ltd.

Company Profile

As the leader of global crushing and grinding industry, SKY always insists on science paralleling with quality and seeking innovation & excellence. For a long time, SKY has always strived to create a leading brand and the most valuable brand of global mining machines with strong production capacity as development foundation, perfect research power as quality guarantee and excellent service systems as brand extension.

Go on the path to excellence --- respect industrial value of SKY

  • Established in 1987, SKY has had 30 years of experience in mining machine industry.
  • Only can Lingang production base bring annual output value of 4 billion yuan. This base is strong enough to influence the whole Asian area, even the situation of world mining machine production.
  • The area of 6 domestic first-class digital mining machine production bases and 1 biggest mining machine manufacturing factory over the world amounts to over 600 thousand square meters.
  • SKY sales net covers over 160 countries and regions from different continents and overseas offices were established in more than 20 countries.



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Liquid Resistance Starter - Liquid Resistance Controllers, Grid Rotor ,

Manufacturer and Exporter of Liquid Resistance Starter, Liquid Resistance , resistance in the rotor - circuit of slip ring induction motor at the starting to , Cable Box is of sufficiently large size cable gland plate is provided for termination of rotor.

Motorised Liquid Resistance Starter

9 Dec 2011 , operation of motorised Liquid Resistance Starter , Motorised Conventional type Liquid Resistance Starter to start the slipring induction motor.

Wound-Rotor Motors — High Torque and Adjustable Speed - EC&M

Wound-rotor motors deliver speed control of heavy and high-torque loads , This type of 3-phase induction motor has high starting torque, which makes it , or as electrolyte liquid with metallic electrodes (although the latter types are falling into disuse) , Download this White Paper to learn how big data and analytics are.

Lexicon - GINO AG – Elektrotechnische Fabrik

dc resistance The dc resistance of a , Electrical resistance, definition The electrical , Liquid starters Liquid starters are starters , Slip ring motor Like the.

Electrolytic starter (LRS) for high power slipring motors - EPM ,

Designed for controlled starting and speed control of large slipring motors in , for slipring motors, also named electrolytic starters or Liquid Resistance Starters.

CSE Uniserve | Products - Motor Starting & Speed Control

Powerdrive F300 is designed to control all AC induction motors and sensorless permanent , Liquid Resistance Starters - Unistarter EPMA Series , Full stainless steel construction; Offers the ultimate quality in starting large slip ring motors,.

Starting of slip ring induction motor explained in an easy manner

23 Sep 2010 , A Slip Ring induction motor can be started with external resistance added in its rotor circuit But how does external resistance aid in better.

Wound Rotor Induction Motors : AC Motors - Electronics Textbook

A wound rotor induction motor has a stator like the squirrel cage induction , While this is not a severe problem for small motors, it is for large (10's of kW) motors , Heat generated during starting is mostly dissipated external to the motor in the.

Motor Control – Cressall

We can design and build motor control resistors of any type for any , Wound-rotor AC motors with slip ring starters , Why use resistors for motor control? , of appropriate replacements from our large stocks of pre-manufactured grids and , Liquid starters , electrolyte can be used as a starter for a slip ring induction motors

Electrical Starters - Slip Ring Motor Starter Manufacturer from New ,

These Starters help slip ring induction motor to get its speed to the pace slowly , NEI Liquid Rotor Starter contains heavy copper contacts and installed in a way , We at Naresh Electrical Industries also provide Big D Gutka which serves as a.

Motor Control Modernization Improves Pump Performance ,

Eight of the 17 large pumps in the plant are driven by wound rotor induction motors , such as a liquid rheostat or resistor bank, used for starting the motor

Product Profile - Bharat Heavy Electricals Ltd

AC squirrel cage, slipring, synchronous motors, industrial alternators and DC machines are manufactured as per range summarized , Medium/Large, 100 to 12000 kW , Liquid rotor starters for slipring induction motors of up to 2500 hp rating

MAGNA START New Generation Slip-Ring Motor Starter - Electrical

5 Jan 2016 , Slip-ring motors are widely used when high starting torque is required Rheostatic and liquid immersed resistance starters are used for starting the slip ring motors , The major advantages of slip-ring induction motor are:

Alstom Induction Motor Control Gear - Ckitcoza

To provide a means of starting and stopping the motor and, at the same time, , With large contactors or oil switches, magnetic relays of the solenoid type with , Small slip-ring starters usually consist of a contactor for the stator circuit and a face , with a liquid resistance or an oil-immersed grid resistance in the rotor circuit

Slip Ring Motors - LM Photonics Ltd

Motor Starting; Speed Control; Induction Motors , The slip ring or wound rotor motor is an induction machine where the rotor comprises a set of , or they can be liquid resistors made up of saline solution or caustic soda or similar, provided , to prevent a very large step in current when shorting the final stage of resistance

Liquid resistor - Wikipedia

A Liquid Resistor is an electrical resistor in which the resistive element is a liqu Fixed-value liquid resistors are typically used where very high power dissipation is required They are used in the rotor circuits of large slip ring induction motors to control starting current,.

what is GRR(Grid Rotot resistance)?Why it is used beside of LRS?

used for speed control of slipring Induction motor & save , It is not always true that Liquid Resistance Starter cannot , BUT THE MAJOR DIFFERENCES ARE:

Starting slip ring induction motors - Gozuk

Has anybody got experience with starting slip ring induction motors (induction motors with wound rotor) with a , To Ernesto Wiedenbrug: The motor with the wound rotor is used to start a primary rock crusher with a large flywheel with very high inertia Originally it had a muliple step liquid resistor starter

Liquid Rotor Starter (Conventional) – PIONEER ELECTRICAL WORKS

18 Jan 2017 , The range of PIONEER liquid rheostats – type LRS – is designed for controlling of large KW slipring motors and extends upto 7,000 kW or any.

Slip Ring Motor Fundamentals - Bright Hub Engineering

27 Nov 2012 , But adding external resistance, as in the case of a slip ring induction motor, makes the rotor resistance high when starting, thus the rotor current.