How to Solve the Home Charging Problem for New Energy Vehicles?
4 Answers
New energy vehicles can be directly charged at home with 220V. The following is an introduction to charging new energy vehicles: 1. Charging with a three-hole socket: Use a standard plug socket with a rated current not exceeding 16A to charge directly at home, which takes about 8-10 hours to fully charge. 2. Charging with an AC charging pile: Charge directly on the AC grid with higher current using a charging pile, which takes about 4 hours. The power of slow charging piles is usually 3.5kW and 7kW, and this value depends on the rated input power of the onboard charger. For single-phase AC charging, the rated input current of the onboard charger is currently divided into two mainstream types: 16A and 32A, resulting in 16*220≍3.5kW and 32*220≍7kW. 3. Charging with a DC charging pile: When connecting an electric vehicle to the AC grid or DC grid, a DC power supply device with control guidance function is used. Generally, only pure electric vehicles on the market are equipped with DC charging function, which is the so-called "fast charging". Fast charging takes a short time, as the high-power onboard DC charger directly outputs DC to charge the vehicle battery. The power of fast charging piles on the market ranges from 30kW to over 100kW, and the charging time also varies from a few minutes to 2 hours.
To solve the home charging issue for new energy vehicles, my personal approach is to first assess the household electricity load. Most home electric meters may have insufficient capacity, so I recommend contacting the local power company for a free inspection and applying for capacity expansion. Then, hire a professional electrician to install a fixed charging station, such as a 7kW wall-mounted type, which costs between 2000 to 5000 yuan and takes about half a day to complete. Charging time management is crucial—I schedule charging during off-peak nighttime hours, which cuts electricity costs by more than half, and use a mobile app for convenient remote start/stop. For safety, choose charging stations with waterproof and fireproof certifications and inspect the wiring regularly. Additionally, you can apply for a government new energy subsidy refund of around 1000 yuan, making the overall process more time and cost-effective than using public stations. Once you develop the habit, simply plug in when parking, and you'll have a full charge ready for the next day—simple and efficient.
As a budget-conscious car owner, I tackle home charging by prioritizing cost savings. First, assess the garage's power supply—if adequate, use a portable charger for a low-cost temporary solution; if insufficient, install a cost-effective wall-mounted charging station with a budget under 3000 RMB. Charge during off-peak hours under electricity rate plans, paying just a few cents per kWh for noticeable monthly savings. Don’t forget to apply for local subsidies to recoup some costs and invest in efficient equipment to minimize energy waste. Daily management involves using timers to avoid peak-hour charging and monitoring consumption via apps. Long-term, this approach saves significantly over fueling while being eco-friendly and easy to implement.
Safety is my top priority when setting up home EV charging. First, ensure the electrical system is hazard-free by having a qualified electrician thoroughly inspect the wiring to prevent overload risks. Install a dedicated charging station with automatic protection features against leakage and fire. Keep the garage space clean, dry, and free of clutter. Use monitoring devices during charging to provide early warnings and handle any abnormalities promptly. When using portable charging equipment, prevent cable stretching and damage. Regular maintenance of the charging station and battery extends their lifespan, ensuring both home protection and peace of mind.
