A Quick Overview of EV Chargers

Previously, on the Ostara Guide, we talked about Chargepoint Operators. This month, continuing with Part 3 of our 4-Part series on the Indian Charging Landscape,  we are shifting our focus to EV chargers and their manufacturers.

Key Stakeholders in EV Charging

What is EVSE?

EV chargers, also known as EVSE (Electric Vehicle Supply Equipment), are used to charge a vehicle. The speed at which an electric vehicle can be charged is, among other things, dependent on the power of a charger.

EVSE OEMs are the EV equipment manufacturers who produce EVSE and its components, like the connector, etc.

What’s inside the EV Charger?

The Hardware

Globally, EV Charging is categorized into Level 1, Level 2, DC Chargers and Superchargers. 

Level 1 & 2 is only AC power transfer whereas DC chargers are sometimes referred to as Level 3 Chargers. 

All charging systems take AC power from the grid and convert it to DC power at a suitable voltage for charging the battery. In EV applications, except for bicycles, Level 1 and Level 2 chargers are completely contained within the vehicle. In Level 3 charging systems, however, the charging functions are split between the charging station and the vehicle’s on board charger.

The diagram below illustrates how the key functions of Level 1, 2 and 3 chargers are implemented. 

  • The Power Control Unit delivers a variable DC voltage to the battery
  • The Rectifier transforms alternating current (AC) into direct current (DC). Its normal function is charging batteries and keeping them in optimum condition while, at the same time, providing DC power for other loads.
  • The Protection Circuit cuts off the power if there is a fault in the battery or the charger, along with other measures to prevent misuse, electric shocks and inadvertently driving away with the power cord still plugged in.

Level 3 chargers have the same functionality as the Level 1 and 2 chargers but due to the higher power levels used, the AC/DC conversion as well as the power conditioning and control circuits require larger, more expensive components. Hence, it makes sense to carry out these functions in the charging station rather than the charger so that the equipment can be shared by many users.

One drawback of this system is that the vehicle can only be charged at public charging stations, with compatible charging standards. We have talked about these Charging standards in our Safe Charging Newsletter.

The Software 

Charging software is designed to manage and administer charge stations and their networks, and should not be confused with EV applications created to oversee the electric vehicle. The software functional elements are illustrated in Figure below. 

Source : EAI

This functionality allows operators to remotely configure, manage, and update charge station software; set and control driver access to charging; set pricing; manage billing; and run usage reports. Software applications also enable drivers to easily locate and reserve available charge stations. Software tools can also be configured to send notifications to operators (hardware/software issues) and to EV drivers (“charge completed,” and “charge station available.”)

EVSE Market

Global

The global electric vehicle (EV) charger market size was estimated at USD 7.01 billion in 2021. 

Source: Globe News Wire, Precedence Research

The demand for the EV chargers is expected to grow at a significant pace in the upcoming years owing to the rising demand for the electric and alternative fuel vehicles across the globe.

India

The Indian EVSE market is expected to witness the fastest growth in the northern region.

The Indian EVSE market is witnessing an uptick in the investments from global players in the charging industry such as ABB and Delta Electronics, as well as emerging players such as Ador Digatron and Exicom, among others.

Supportive Government Policies and Initiatives are a Major Factor Driving the Market

The Government of India is actively taking steps to support the adoption of EVs, which, in turn, is driving the growth of the Indian EVSE market. 

Segmentation Analysis of India EVSE Market

  • DC chargers are expected to be the faster growing category in the Indian EVSE market. DC chargers require a lot of power from the grid and are costly owing to their heavy-duty components. However, due to their faster charging capability, when compared to AC chargers, these would be more preferred in the coming years. These types of chargers are mostly found along highways, rather than at business complexes or at homes.
  • Private chargers have been dominating the Indian EVSE market. Their early adoption in the country owing to low cost, high customer demand for overnight charging at homes and commercial places helped the private charger market grow.

Geographical Analysis of India EVSE Market

Geographically, the western region is estimated to hold the major share in the Indian EVSE market. The extensive state government support for EV adoption, especially in Gujarat and Maharashtra, and the presence of major EV and EV component manufacturers make the region the potential leader in the coming years.

The high per capita income in this region is also a major factor behind the growth of the EV market, and in turn, the EVSE market, here. The northern region is predicted to be the fastest growing region during the forecast period. The poor air quality in most of the regional cities and government concerns, as a result of this, are expected to benefit the EV and EVSE markets.

Key EVSE OEMs in the Indian Market

Recent Deals & Developments

June 2022  Reliance, MG Motor and Castrol team up to build electric charging infrastructure across India

May 2022 A new project by the Power Grid Corporation of India Limited is planning to deploy forty-five EV charging stations across the nation, with Tirex Transmission Pvt. Ltd. as the  frontrunner to supply their DC fast chargers in the market for this upcoming project.

May 2022 ABB’s e-mobility division has agreed to acquire a controlling stake in Numocity, a digital platform for electric vehicle (EV) charging in India.

May 2022 Ashok Leyland joins hand with Tirex Chargers to create the charging Infrastructure for their e-Bus Fleet in Bangalore

May 2022 Statiq has partnered Hero Electric to promote EV adoption by setting up a charging ecosystem in north India. 

May 2022 Tata Power has entered into a strategic partnership with Hyundai Motor India (HMIL), to build a robust EV charging network and accelerate the adoption of EVs across India. 

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R. 'Shanx' Ravisankar

Industry Expert – Financial Technology and Cloud Solutions

Shanx is a founding member and former CEO of Oracle Financial Services Software, (formerly known as i-flex Solutions, the company was acquired by Oracle in 2006). Shanx retired in 2011 as the Chief Operating Officer, Oracle Financial Services Global Business Unit (FSGBU). As a technology leader, he has also been profiled in leading trade and industry publications. In 2008, Shanx was selected as one of the 50 Outstanding Asian American business leaders. This accolade celebrates Asian business leaders and recognizes their pivotal roles in Corporate America. Shanx is an engineering graduate from the Indian Institute of Technology, Chennai, and has an MBA in Management from the Indian Institute of Management, Ahmedabad, India.
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