renewable energy

V-Guard working on digital strategy: Mithun Chittilappilly

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Kochi-based V-Guard Industries Ltd in Kerala state, is India’s leading consumer electrical and electronics major. It has evolved into a renowned consumer brand with market-leading products in select segments.

MithunMithun K. Chittilappilly, Managing Director of V-Guard Industries foresaw the need for market expansion beyond South of India, and consistently increased the footprint in other parts of the country. In 2012, the company established presence in Guwahati, and introduced new products, like solar inverters, switch gears and mixer grinders. His vision is to elevate V-Guard to the next level through long-term growth plans.

Chittilappilly said: “I joined the business in 2006. We have since grown. We had almost 50 percent revenue coming from voltage stabilisers. The revenue for voltage stabilizers has come down from 50 percent to 18 percent. Now, we are present pan India. We are also looking to diversify.

Strong player
“We have entered inverters and batteries, kitchen appliances, and switchgears. We have since become strong players in these segments, especially, water heaters. Today, the new categories are contributing 10-15 percent to the overall revenue. The wires and cables business is doing Rs 60 crore EBIDTA year-on-year. There was also a good boom in the construction industry from 2006-12. For water heaters, we have been doing business worth Rs. 8 crores.”

How did this come about? He added: “We changed the structure to several categories of business. Today, we have 2,000+ people on roll. We are fairly comfortable. We have two to three channels, such as electrical, battery, etc.

“We have DSIR-approved labs in Kochi. In Gurgaon, we have development teams for switchgear. We also have a separate team on industrial designs. We also have a team working on smart products, such as IoT.”

Elaborating, he added: “We are working on products that communicate with consumers. We have products that are connected, controlled and M2M capable. We are bringing capabilities like machine learning as well. We are also in the battery segment. The battery will be an expensive part of an electric car in the future.

“We are also building in auto diagnostics into devices. For instance, the next-gen water heater can communicate to the other water heater as well. In rural areas, farmers need to know when a pump should be switched on/off. We have automated that. We also need to ensure that the products are protected from natural disasters.”

Isn’t there competition from the MNCs? He noted that MNCs don’t bother much about Indian-based products. “Our retail is distributed. We have a great talent pool in India and we develop products. We are in the consumer electrical business and continue to do that well.”

“We have looked at automation, and find that robots prices are declining. We have distribution boards, where intelligent management is built in. We are looking at smart products that can make some difference to consumers. We are thinking of getting into modular switches, and smart home solutions. In kitchen appliances, if you have a mixer grinder, it can control speed.

“We are also working on a digital strategy for the company that includes looking at the predictive maintenance in plants, where AI comes in. AI may help reduce headcounts. We have to wait and see what happens.”

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ROHM intros Trench SiC MosFET to make renewable energy affordable

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ROHM India has introduced the Trench SiC MosFET technology to make renewable energy affordable. The next step will be innovations for the local automotive industry.

Power electronics is now enabling renewable energy harvesting. Increasing rural-electrification, adoption of home appliances, industrialization and population is bringing more pressure on the grid, and the power generation capacity.

image025India will be the largest importer of coal, natural gas and oil by 2040. The focus on renewable energy has gone up, leading to increased generation and decreased losses. Smart grid will enhance the efficient distribution of power.

Simlife Electric Pvt Ltd introduced the GAN2000, India’s first hybrid battery backed grid-tie solar power generation system, a combination of grid-tie and off-grid. It is designed, developed and manufactured in India. Power electronics reduces the cost/kW, and enables higher switching frequencies, magnetics and SiC.

Making energy affordable
Energy can be made affordable and achieved by extraction of power from multiple sources that are efficient and cost effective. The power conversion is made more efficient and is always available. It is also less resource intense. ROHM recommends SiC Trench MosFETs for high-power applications.

Rohm’s 3G SiC Trench MOS improves performance. The SiC MosFET is a near ideal switch resulting in low overall losses. Using the SiC reduces the overall system cost. High reliability of SiC improves system reliability.Rohm1

As for the future trends for wide-band gap (WBG) semiconductors, 10X growth is expected for WBG products by 2023! Dominant space:s are the SiC = 600V and GaN = 600V. Major growth areas are EV/HEV, chargers, solar, industrial drives.

Applications such as solar/wind power, industrial equipment, EV/HEV, large-scale data center servers, and home electronics/AC benefit from the use of SiC.

ROHM Semiconductor India Pvt Ltd (RSI) a subsidiary of ROHM Co. Ltd, Kyoto, Japan, announced an array of power solutions like SiC, IGBT, and gate drivers, for improving the power conversion efficiency. These products are intended to meet the harsh condition of India’s rapidly growing power infrastructure.

The improvement in size and efficiency owing to the adoption of the power solutions from RSI, like gate drivers, trench SiC MOSFETs, and IGBTs, play a vital role in enabling small scale and distributed power plants for tapping solar and wind energy. A ~2 percent increase in efficiency along with the reduced cooling requirements can bring in a considerable cost saving for the end customers, besides improving the reliability of the power converters.

This will help bridge the demand supply gap, which is “more from less, for more”, thus reaching more people. The distributed power generation, besides reducing a huge burden on our grid, reduces the transmission and distribution losses.

ROHM’s power solutions include a broad range of power devices, IGBT, SiC, besides Silicon MOSFET and gate drivers designed to achieve improved efficiency in high power applications.

Britto Edward Victor, Design Centre-head, ROHM Semiconductor India, said: “Our focus is on home appliances, industrial power and automotive. We now work on power conditioners. We released the silicon carbide (SiC) MOSFET. It is also used in rural electrification. Rohm Semiconductor India has a design center in Bangalore. The design center has an Application Engineering group to provide technical support to India customers.”