What is Involved with EV Charging?

EV charging refers to the 'refueling' of a battery electric vehicle (BEV) or a plug-in hybrid electric vehicle (PHEV). Both vehicle types have a rechargeable battery that is recharged by an electrical current from an EV charger. While the number of EV chargers is rising, most charging occurs either at the home or workplace. Depending upon the unit, this can take a few hours, with many choosing to charge overnight.

Basics of EV Charging

Most EV chargers are wall mounted units that can be positioned indoors or outdoors. This gives you the advantage of choosing the best position based upon the types and number of vehicles that will be using the EV charger. 

There are several different EV charging units available. Each charging unit has been designed to meet specific charging requirements, varying from charging time, use of timers, number of vehicle users, location of installation, and whether authentication and payment is required at time of use. The decision regarding which EV charger best suits your charging requirements is something we can help you with, so get in touch to arrange a time for us to visit. We can also discuss the option of installing solar panels and/or battery storage to reduce your charging costs even further.

An EV charger must be installed by a qualified electrician. They are responsible for checking that your current electrical setup is capable of supplying the required power and installing any required sub circuits, RCD and electrical socket. They will also provide you with a Supplier Declaration of Conformity which is used to show the charging unit has been tested and meets all required safety requirements. Once again, this is a service we can provide for you.

Factors Which May Affect the Rate of Charging

While the charging unit plays a large role in charging capacity, there are additional factors to consider too:

  • the ambient temperature
  • charging station temperature
  • the charging station amperage
  • type of vehicle battery management system
  • constraints of the grid limiting energy to the charging station
  • vehicle battery capacity

Safety When Using an EV Charger

It is important that you follow the recommendations of the EV charger and vehicle manufacturers when charging. We are able to help explain how to safely and correctly use your EV charger after installation is complete. In general terms though:

  • never use modified, damaged or faulty charging equipment
  • do not use extension cables
  • be aware that the cable is a tripping hazard
  • only use approved adaptors
  • do not use any devices to connect the charging cable to the power supply

To learn more about your EV charging options, please give Tony a call on (06) 777 1217.

Posted: Thursday 16 June 2022


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New Plymouth, New Zealand