Saini Heavy Electrical & Engineering Co. Private Limited

Saini Heavy Electrical & Engineering Co. Private Limited is a one of the prominent organizations engaged in offering Repairing Services for Heavy Electrical Rotating Machines. Our services are appreciated for their features like timely execution, flexibility, reliability and superior quality. In addition to these services, we are also manufacturing and supplying electrical products like A.C. HT Spare Coils, Generator Pole Coils and Spare DC Pole Coils.

Our services are rendered as per the requirements and demands of the clients. We use latest technology and advanced equipment for repairing electrical rotating machines. These services are rendered as per the high industry standards and an ISO 9001:2008 certification is a testimony to this fact. Owing to our great market reputation and credibility, we have gained the trust of some of the most reputed clients such as Indian Railways, ACC Cements, Ultratech Cements, SAIL and Reliance. We also export coils manufactured at our premises to other countries like UAE, Singapore and China,

Under the inspiring leadership of our mentor Mr. Amarjit Singh Saini, we have already set new milestones for others to follow. The mentor is ably supported by a team of competent professionals, which has years of valuable experience under its belt. Together, the team and the leader have helped to make the organization a renowned name in the industry.

We are one of the most distinguished organizations engaged in offering Repairing Services for Heavy Electrical Rotating Machines. In addition to these services, we are also manufacturing and supplying electrical products like A.C. HT Spare Coils, Generator Pole Coils and Spare DC Pole Coils. Some of the features of our repairing services are as follows:

• Reliable and flexible services
• Timely completion
• Use of genuine spare parts

Our core areas of activity:

• Repairs / rewinding / reconditioning of electric machines up to 20 MW, 13.8 KV at our workshop and 50 MW at the site

• Rewinding / repairs and reconditioning of armature and magnet frames of DC traction motor TAO 659 (585 KW) Hitachi HS15250 A (630 KW), TDK 5620A/3701A2, BHEL 3603 & NGEF US 6456 motors

• Rewinding of HT/LT A.C. generators up to 5O MW capacity. Pole coils up to 23 MVA capacity

• Rewinding of D.C motors up to 10 MW

• Rewinding of GE752 DC machines

• Modification of LT / HT induction motors, generators and D. C. motors like change of supply voltage, 3.3 KV to 6.6 KV and change of frequency such as 50 Hz to 60 Hz

• Up-gradation of output of existing machines

• Rewinding with VPI resin impregnation system as well as conventional resin rich insulation system

• Repairs / staggering of core lamination of stator, rotor & armature

• Replacement of rotor shafts of any size without damaging windings. This includes fabrication and machining of new shaft inquired for replacement

• Overhauling of electrical rotating machines either at site or at our works

• Dynamic balancing of armature, rotor, shaft, cooling fan & impellers (up to 16 tons weight, 2.30 meters in diameter) on microprocessor based Schenk make machine

• Any other mechanical work related to electrical rotating machines such as metalizing of shaft, relining of white metal bearings, repairs of bearing housings, end shields, heat exchangers and cooling fans

We have employed highly advanced technology and latest machines for repairing Heavy Electrical Rotating Machines. Our experts are capable of handling these machines with professional ease and confidence. We properly lubricate and maintain these machines to make sure that any emergency requirement is promptly dealt with. Some of the machines used in the repairing process are as follows:

• Dynamic balancing machine(Schenk make)

• Strip on edge coll winding m/c (1 no.)

• Hydraulic presses(4)

• HT coil manufacturing

• Coil molding hydraulic press / suitable for straight length 3200 mm, 2720 mm & 2650 m

• Coll winding machine

• Coll stretching machine electro operated

• Coll stretching machine hydraulic operated

• V.P.I plant(2)

• Ovens for rotary curing

• Drying oven (3)

• Annealing furnace

• Notching press

• TIG welding machine (1 No.)

• Brazing transformer with accessories

• Material handling

• E.O.T cranes - (5) b Jib Cranes

• Lathe machines (5)

• Milling machine (1)

• Radial drilling machine

• Air compressor

• Welding transformer, generator & rectifier

• Bench & portable drill machine

• Crimping tools & pickling plant - ENERPAC- ultra high pressure pump for pinion removal

• Refrigerator for storing insulating material

• KARCHER- hot and cold pressure cleaning machine

• Icesonic dry ice blasting machine (imported)

The remarkable rise of the organization in the industry ranks is mainly attributed to its diligent workforce. We have meticulously formed a team of competent and hard working professionals which has years of valuable experience and consummate experience to its credit. These experts repair every machine with utmost ease and well within the committed time frame. A team of technicians either repairs and rewinds the electrical machines at our own premises or visits the specified site. Some of the key professionals in our organizational setup are as follows:

• Technocrats
• Engineers
• Quality experts
• Sales and marketing personnel

Quality is one factor that makes us stand out in the crowd. Out of the thousands of electrical repair service providers, our clients prefer us because of our unwavering commitment to quality. Our experts only use genuine spare parts and accessories for replacing and repairing heavy electrical rotating machines. The organization has acquired the prestigious ISO 9OO1 : 2OOO certificate for adopting comprehensive quality management system. S0me of the quality testing machines that are used by the auditors of the quality control department are as follows

• Capacitance & tan delta measuring system

• P.I. meter(Analog/digital insulation tester)

• Milliohmmeters(Resistance tester)

• Variable AC current source auto transformer with dimmer starts (3 )

• No load testing facility for AC motor

• Back to back testing facility for DC motor on load

• Tachometers

• Tong tester(3)

• Vibration measurement instrument

• AC dust free room for HT coil manufacturing. Surge comparison tester

• Test v-10 KV, leakage current 2000 amps

• Test volts - 0-1S000V, pulse current -1000 Amps. max. pulse energy – 11.3

• Joules max. high voltage tester

• 0-40 KV 1 Ampere

• 0-S KV, 0 - 15 KV -1 No. insulation tester-- -500V, 1KV, 5KV - 250 V, 500 V,1KV

• P.I. meter (digital insulation tester 5 KV with capacitance & leakage current indication (BM 25)

• Various DC circuits & tripping device

• Temperature measuring instrument laser beam type : 2

• Temperature measuring instrument digital with probe : 2

With our persistent efforts, we have managed to form a huge base of clients all across India. Our services are preferred by clients from diverse industries for their excellent attributes like reliability and flexibility. The objective is to form a huge client base and cater to all the repairing requirements of the clients. We also export some of our coils to countries like Singapore, China and UAE. Some of our clients are as follows: