About Us
Yash High Voltage Insulators Pvt. Ltd. is a renowned manufacturer of transformer bushings. It's factory is located in near Vadodara, Gujarat. We manufacturer well established standard range of Bushings with excellent structural integrity and good thermal performance. Our bushings are self-contained and maintenance free.
YASH is an independent manufacturer of transformer bushings. We bank on a synergy of internal and external suppliers whose quality systems are subject to regular quality audits. These audits help us in sharpening the focus on total quality on every thing we do. Our core strength is design and development of products which meet and exceed customer expectation. We are resourceful internally and externally but ensure a continual process of improvement of our products and business process.
FOUNDER DIRECTOR
D.RAMACHANDRAN
BE (Electrical), FIE (I)
D. Ramachandran is a graduate engineer with over three decades of Industry experience in design, development and management of Extra Highvoltage Equipments. His contribution is primarily in to technology management of Transformer Bushings and Lightning Arresters. He is experience on technologies and practices of Hitachi, Emil Haefely, ABB Sweden and Southern States, USA.
He graduated from Kerala University and has served in reputed companies like TELK, Crompton Greaves Ltd. and Aditya Birla.
He has contributed in several national level seminars and training programs. And has also worked in CEA working group on standardization of Bushings and actively participated in BSI /IEEMA forums on Bushings and Surge Arrestor.
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Manufacturing Equipments
| Sr. No. | Description of Machine | Capacity | | 1 | Bushing Winding M/c. | 10/shift | | 2 | Filament Winding M/c. | 8/shift | | 3 | Auto Clave | 18/batch | | 4 | Drying Oven 1.2*1.4*2.4 Mtr. | 36/batch | | 5 | Vacuum Pump | 1200 cfm | | 6 | Oil Filtration Plant | 300 ltr/hr | | 7 | MIG Welding Machine | 400 A | | 8 | Drilling Machine | 19 mm | | 9 | Lathe Machine | 9ft | | 10 | Surface Grinder | 10 per shift | | 11 | Air Compressor | 100 cfm | | 12 | Electronic Balance | 200 & 6 kg | | 13 | Mixing Machine | 20 ltr | | 14 | Underwater Leak. Test | 400 ltr | |
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Test Facilities
| Sr. No. | Description of Machine | Make | | 1 | Test Transformer, 300kV | Power Control | | 2 | Current Injector, 16kA | Arya Transformer | | 3 | P D Equipment | Akil Electronics | | 4 | Tan Delta Bridge | Sivananda | | 5 | Std Capacitor, 150Kv | YASH | | 6 | Coupling Capacitor, 300kV | YASH | | 7 | CT 16000/5 A | Narayan Powertech | | 8 | Cantilever Test, 10000N | YASH | |
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Product Range
TRANSFORMER BUSHINGS
1.1 LV Bushings
| Voltage (kV) | Current(Amps) | Type | Remarks | | 24 | 1000 | Copper Stem type | Plain Porcelain type as per BIS 3347 /DIN 42533 | | 24 | 2000 | Copper Stem type | | 24 | 3150 | Copper Stem type | | 36 | 1000 | Copper Stem type | | 36 | 2000 | Copper Stem type | | 36 | 3150 | Copper Stem type |
1.2 High Current Bushing Porcelain & Condenser | Voltage (kV) | Current (A) | Types | Remarks | | 24 | 5000 | Oil filled/ Communicating | Aluminium conductor As per IEC 60137 | | 24 | 6300 | Oil filled/ Communicating | | 24 | 8000 | Oil filled/ Communicating | | 36 | 10000 | Condenser(OIP) | | 36 | 12500 | Condenser(OIP) | | 36 | 16000 | Condenser(OIP) | 1.3 Condenser Bushings
| Voltage (kV) | Current (A) | Type | Remarks | | 52 | 800 | Condenser OIP | As per IEC 60137 | | 52 | 1000 | Condenser OIP | | 52 | 2000 | Condenser OIP | | 52 | 3150 | Condenser OIP | | 72.5 | 630 | Condenser OIP | | 72.5 | 1000 | Condenser OIP | | 72.5 | 2000 | Condenser OIP | Fiber Glass Insulators
2.1 Rods and Pipes as per customer requirements
2.2 Medium size FRP cylinders for dry type transformers
2.3 Large cylinders for test transformers |
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Supply List
| Sr. No. | Customer | Product | Qty. | Remarks | | 1 | High Current Bushings | | | | | | EMCO, Thane | 24 kV 12,500 Amp | 4 | 2006 | | | | 24 kV 5000 Amps | 9 | 2006 | | | | 24 kV 5000 Amps | 15 | 2007 | | | | 24 kV 5000 Amps | 10 | 2008 | | | | 36 kV 10000 Amps | 8 | 2008 | | | | 24 kV 5000 Amps | 15 | 2009 | | | NEEPCO | 24 kV 12,500 Amps | 1 | 2005 | | | MSEB | 24 kV 7500 Amps | 4 | 2005 | | | AREVA, Naini | 36 kV 12,500 Amp | 3 | 2008 | | | | 24 kV 5000 Amps | 6 | 2007 | | | | 24 kV 4000 Amps | 40 | Under execution | | | Vijai Electricals Ltd. | 24 kV 5000 Amps | 6 | 2008 | | | | 24 kV 5000 Amps | 1 | 2009 | | | | 24kV 8000 Amps | 40 | Under Execution | | | CGL, Mumbai | 24 kV 7500 Amps | 3 | 2008 | | 2 | FRP Cylinders | | | | | | Voltamp Transformers | Medium dia. | 3000 | Annual contract | | | | 300 to 600 mm | | | | | Power Control Equipments, Ractrifier & Electronics | Large size | 70 | Test transformer | | | | up to 1600 mm dia | | | | | CGL- Mandideep, IMP, EMCO | Medium/Large size | 100 | Executed | | | Siemens, Mumbai | Clamp rings | 500 | Traction Transformer | | | Ames Impex, T&R, others | Medium size | 100 | Executed | |
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