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By | 28 Aug 2022

What is an EV charging station? A detailed overview

What is an EV charging station? A detailed overview

A universal EV charging station factory solution does not exist. Consider the very specific demands of those who will use your solution, whether they be residents, employees, or consumers, to ensure that it provides the most value and ease.

Charge point power, anticipated vehicle stay lengths, tariff specifications, and fleet duty cycles are a few things to think about. Slower charging methods allow for varying tariffs and are better for car batteries, but they are less likely to be useful in places where drivers just stop for a moment.

To do it right, consider what the users of your electric vehicle charging outlets are seeking, and then adjust your offering.

AC EV Charger-04

An EV Charging Station: What Is It?

Your EV connects to a power source using a piece of equipment called an EV charging station factory station. As the "fuel" for electric vehicles, just like gas stations are for conventional automobiles, charging stations are essential for EVs.

Various Charging Station Types

Both at vehicle parks and in people's homes, charging stations are available. The sort of power that is supplied to your EV via home and public charging stations differs significantly.


Residential charging systems deliver AC power. As a result, your EV will charge the battery using its onboard AC-to-DC converter.

Public charging stations may offer AC or DC power. Charging stations will come equipped with substantially larger AC-to-DC converters to accommodate higher power charging. Bypassing your EV's converter, this power supplies pure DC power.

Parts of charging stations

Various essential parts that makeup charging stations now have standardized nomenclature. T These elements include:

• Vehicle inlet - The electrical socket on the EV that accepts power for charging.

Connector: The portion of the charging line that plugs into the electric vehicle.

A flexible bundle of conductors known as a cable connects an electric vehicle (EV) to a charging station.

The end of the cable that plugs into the charging station is called the "plug." The socket outlet is permanently attached in the United States, though this can vary by region.

The charging station's socket where the cable is plugged in is known as a socket outlet.

What is the Process of an EV Charging Station?

As shown below, there are three recognized categories of charging stations. The power capacity and consequent charging pace vary depending on the level. Level 2 is currently the most popular and charges at a rate comparable to a system found in your home, using around the same amount of power as a hairdryer or oven.

Why is Level 2 charging essential and what does it entail?

The majority of modern EV vehicles come with a Level 1 charger that can be plugged into any regular 120V wall outlet. This option is the slowest charging option and typically contributes 2 to 5 miles of range per hour. A 208 or 240 V connection is used by level 2 charging stations. According to the vehicle type, this greater voltage enables a larger energy delivery straight from the electrical panel, which can increase the range by 15 to 30 miles on average per hour. This gives drivers who wish to charge their EVs more frequently a benefit because, on average, they can attain a full battery in half the time it takes at a Level 1 EV charging station factory.

How much an electric car takes to charge?

The following equation can be used to determine how long it takes an electric car to charge: Charging Time [h] = Battery Capacity [kWh] / Charging Power [kW].

Numerous variables, some related to the vehicle and others to the charging station, affect how long it takes to charge an electric vehicle.

factors for electric vehicles:

• The battery's state: If the battery has a low State of Charge (a measure of how full a battery is), it will take more time to charge it fully.

• Battery size: Each vehicle has a different battery pack size. The length of time it takes to charge the car increases with the size of the battery.

• The battery's temperature: If the battery's temperature is extremely low or extremely high, the charging process will take longer. To prevent overheating of the battery, the charging power is restricted if the battery temperature is high. Because the resistance of a cold battery is often higher than the resistance of a battery at normal temperature, a cold battery cannot support high currents.

purchasing EV charging equipment

A private charging station is a very expensive purchase, so you should think carefully before making your choice. Before anything else, it's crucial to understand who and where the charging station is intended for. The charging station at work will have different needs than the one at home. Based on this, it is then required to think about the performance you require, select intelligent features and a payment method, and last but not least, choose the connector and cable connection type.

Power from a charging station

First, a short theory: Electric automobiles need two chargers to function properly.

• Charger on board (OBC)

• Chargers, sometimes referred to as Electric Vehicle Supply Equipment (EVSE)

The cabin of the car has built-in onboard chargers. EVSEs, on the other hand, are external charging stations. Electricity is obtained from charging stations and delivered to the onboard charger. When using AC power to charge a battery, the onboard charger handles converting alternating current to direct current before delivering it to the battery. Here is a description of how AC and DC charging operate.

The performance of the onboard charger is crucial since the current must flow through it. EVSE charging stations are unable to provide the vehicle with more power than the onboard charger can handle. Therefore, the onboard charger's power and the home charging station's minimum required power are equal.

factory with electric charging stations

The EV automakers are concentrating on long-range battery vehicles and investing in improving the EV charging infrastructure in response to the unexpected increase in demand for EVs.

The range of their cars is one of the main worries of EV owners. Larger EV batteries or a longer range of cars alone won't be able to alleviate this range of concern among consumers; the charging infrastructure must also be improved.

To assist develop a digital world that links vehicles, buildings, and utilities, EV charging solution suppliers are concentrating on offering more cutting-edge and dependable e-mobility charging solutions. For electric vehicles to meet their needs now and in the future, compact EV charging solutions are necessary. These solutions must guarantee faster, on-demand charging as well as reliable communication.

EV Charging Use Cases in Various Environments

  • Providers of EV solutions aim to serve all types of clients with cutting-edge products that are smarter, more dependable, more accessible, and emission-free. The most recent EV charging options feature a small footprint, premium AC wall boxes, reliable connectivity for DC fast charging, and distinct on-demand EV charging options for EV fleets. The following are a few examples of business use cases for electric vehicle charging solutions:
  • Residential Charging: EV charging solution providers offer EV chargers that are simple to install for private residences, housing cooperatives, and residential structures. The right safety elements for both people and electric vehicles are nicely integrated into home chargers. These chargers are flexible enough to be used as wall-mounted or portable chargers and are small and light. They also include AC input cables and DC output cables attached. With a conversion efficiency of over 95%, these chargers reduce the overall cost of ownership for battery-powered automobiles.
  • Public Charging: Public charging stations use AC Type 2 chargers that are appropriate for a variety of settings, including offices, shops, malls, lodging facilities, and public commercial charging. These systems are dependable and long-lasting, and they are controllable by centralized administration software. Publicly accessible EV charging stations provide straightforward plug-and-play equipment and charge all type 2 compatible vehicles. Through the software connected to these chargers, the administrator can remotely monitor the apps and energy bills while using RFID tags for user verification.
  • EV Fleet Charging A DC charger is necessary for fleet charging solutions to accommodate various vehicle types and charging requirements. Modern hardware and application software are included with these quick DC chargers. Additionally, they enable easy payment platform connection and offer over-the-air firmware and software upgrade capabilities. These DC chargers can support EVs with 30kW to 300kW of power.


The industry is anticipating delivering e-mobility solutions that are not limited to autos and developing capabilities to energize our highways, industrial fleets, enterprises, cities, and utilities now that the infrastructure for electric vehicles is in place. As a full-service partner in the design and development of next-generation electric vehicle chargers, PIWIN ENERGY can help clients with hardware design, firmware development, software, connectivity, and testing for both basic and sophisticated electric charger types.

Efficiency: DC charging stations are increasingly integrated with renewable energy sources, such as solar and wind, enhancing the sustainability of EV charging.