GEMCO CONTROLS LIMITED

Mathura Road, Faridabad, Haryana

GEMCO  Digital Convertors are dedicated for industrial applications in which good static and dynamic performance and independent controls of speed, acceleration, torque, tension etc. are essential. Various special features include : Auxillary transducers controls, encoders, inputs, dancer arms, load cells etc   Choice of several operating & control modes   Automatic management of operating sequences   Serial communication with a PC or Gemco Video Keyboard.   Serial communication amongst various drive units for cascade / coordinated control   Various Programmable inputs and outputs :   8 Digital Inputs and 4 Analogue Inputs   4 Digital Outputs and 2 Analogue Outputs   Independent auxillary 24V DC power supply, allows use of wide range 3 phase supply, 110V-500V AC   Speed feedback from Armature Voltage tachogenerator or pulse encoder   Drive for multiple motors Machines with internal management of special function as:   Tension controls with Diameter calculation, inertia and friction compensation etc   Synchronisation of sectional Drives with Draw / Ratio control   PROTECTIONS & SELF – DIAGNOSTIC GEMCO  Convertors are equipped with in built protection against various abnormalities with clear indications. Various alarm levels programmable through serial line include :   Wrong sequence of three-phase line phases   Insufficient three-phase line voltage   Excessive three-phase line voltage   Phase currents unbalancing (Fuses Failure / Current Ripples)   Integral current thermal motor protection (over loading)   Minimum field excitation current   External motor protections (ventilation, thermostat)   Excessive converter temperature   Unbalancing between reference and motor speed   Unbalancing between armature voltage and speed   Synchronism ramps error   Thyristor firing pulses error   EEPROM writing error   Wrong parameters in EEPROM   Wrong control circuits supplies

Having its own Integrated manufacturing facilities including well equipped fabrication shop, 7 tank Metal Surface Treatment process for pickling and phosphating, Press shop, Powder Coating Plant etc Gemco manufactures all type of Industrial Grade Electrical Power distribution and Control Centres including: Electrical Control Panels Power Distribution Boards Motor Control Centres AMF Panels Generator synchronising Panels Power factor correction Panels Relay Protection Panels Bus Ducts upto 10000 Amps

heavy duty solid state automatic battery chargers is manufactures with high reliability for various critical applications like power stations, railways, emergency supplies etc. The battery chargers are thyristor controlled with float, boost, trickle charge features and all essential protections. The standard chargers are 30v 50 amps, 110v 200a, 220v 300a and constant current charges upto 600 amps.

digital convertors are dedicated for industrial applications in which good static and dynamic performance and independent controls of speed, acceleration, torque, tension etc. Are essential. Various special features include : digital dc drives auxillary transducers controls, encoders, inputs, dancer arms, load cells etc. Choice of several operating & control modes. Automatic management of operating sequences. Serial communication with a pc or gemco video keyboard. Serial communication amongst various drive units for cascade coordinated control. Various programmable inputs and outputs : 8 digital inputs and 4 analogue inputs. 4 digital outputs and 2 analogue outputs. Independent auxillary 24v dc power supply, allows use of wide range 3 phase supply, 110v-500v ac

Gemco  manufactures Heavy duty Solid State Automatic Battery Chargers with high reliability for various critical applications like Power Stations, Railways, Emergency supplies etc. The Battery chargers are Thyristor controlled with float, Boost, Trickle charge features and all essential protections. The standard chargers are 30V 50 Amps, 110V 200A, 220V 300A and constant current charges upto 600 Amps. Microprocessor based heavy duty Soft Starters from Gemco are highly reliable and rugged using sophisticated controllers from Fairford UK, with most advanced features, which makes them an instant selection leading to innumerable benefits. SALIENT FEATURES Continuous display of motor phase current & control status Easily changed parameter settings via keypad Peak starting current recording User adjustable overload Last 5 trips recording 110/230V control supply User selectable built-in application specific settings Isolated control inputs – 24V DC 230V AC for start/stop or user programmable Current limit time out – optional trip or continue Undercurrent trip level or delay: 0-1 x FLC Adjustable optimizing response rate Adjustable starting current limit control Separately adjustable ramp up/down times from 1 sec to 240 seconds Adjustable kick start for high break away torque applications Fully adjustable pedestal voltage User adjustable shearpin Control of resistive loads Thermistor trip input 4-20mA input for monitoring DC input for monitoring Optional Serial Communications IP 20 Rating An Alphanumeric Digital Display with soft keys for monitoring of operating and setup parameters   ADVANTAGES OF GEMCO SOFT STARTER Reduction in high starting currents Elimination of inrush currents Smooth, stepless acceleration to full speed Snatch free starting removing mechanical stress Extended contactor life Reduced wear on mechanical transmission components Automatic energy optimizing Improved power factor at light loads, reduced kVA demand Suitable for all types of induction motor

We provide VFD for AC motors up-to 1000 kW systems. A variable-frequency drive is a type of adjustable-speed drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.

For plant process motor controls Gemco offers MCC Panels which are type tested at CPRI for   Short circuit withstand capacity upto 70KA for 1 second Temperature rise test Degree of protection IP 54   The Panels can be fixed type or draw out type, single sided or double sided as per Clients specifications, totally enclosed type, floor mounted, dust and vermin proof. The construction of Panel is such that the cabling & maintenance is easier & can be extended on both sides in future. The bus bar used is Electrolytic grade aluminium / Copper well supported with high quality SMC/DMC insulators.   Intelligent MCCs (iMCCs) Using intelligent motor protection Relays with Profibus/Ethernet communication for monitoring motor operating parameters and fault alarms.   Gemco offers PCC Panels which are type tested at CPRI for Short circuit withstand capacity upto 70KA for 1 second Temperature rise test Degree of protection IP 54 The Panels can be fixed type or draw out type as per Clients specifications, totally enclosed type, floor mounted, dust and vermin proof. The construction of Panel is such that the cabling & maintenance is easier & can be extended on both sides in future.   The bus bar used is Electrolytic grade aluminium / Copper well supported with high quality SMC/DMC insulators.