CCS DC Fast Charger

Sanwish is a professional EV charger manufacturer founded by Zhejiang LHD Ocean Tidal Power, which owns the world's largest tidal power station. By the huge support from parent group, Sanwish establishes own strong R & D team, and focuses on providing various types EV charger products for customers. Sanwish philosophy: Quality first, providing customers with high quality products that can withstand long-term testing. We are building a reputed brand and we cherish cooperation with all clients. Customer satisfaction is always our top concern. Sanwish factory is located in Hangzhou city with 10000m2 floor area and 230 high skilled employees. It is equipped with advanced production lines with daily production capacity of 500 units EV chargers and related accessories. Sanwish factory obtains ERP and MES production management systems, and can track the entire life cycle of each product sold.

CCS DC fast charger is one of the rapid charging connector options for electric vehicles (EVs). It can be used to give your car a quick boost at a speedier time than your standard chargers. Known as the most versatile rapid charging connector, it' s popular across Europe and North America for a quick charge. It also offers a higher power rating than other rapid types, and car support larger, ultra-rapid chargers.

Essentially, the CCS plug is a fancied-up version of the Type 2 plug that is universal for charging EVs. When you see a CCS connector, it will look just like a Type 2 set-up with an additional two connector holes. When using a standard Type 2 charger, the bottom two holes on the connector will be free. These are only used by the CCS plug.

Charging communication
Unlike the connector and inlet, which depend on the geographical location, the charging communication is the same around the globe. Generally two types of communication can be differentiated. Basic signaling (BS) is done using a pulse-width modulation (PWM) signal which is transferred over the control pilot (CP) contact according to IEC 61851-1. This communication is used for safety-related functions, indicating for example if the connector is plugged in, before contacts are made live (or energized) and if both charging station and electric vehicle are ready for charging. AC charging is possible using the PWM signal only. In this case the charging station uses the duty cycle of the PWM to inform the onboard charger of the maximum available current at the charging station (A pulse width of 5% indicates that HLC shall be used). High-level communication (HLC) is done by modulating a high-frequency signal over the CP contact (also known as Power Line Communication or PLC) to transfer more complex information, which may be used e.g. for DC charging or for other services such as "plug and charge" or load balancing. High-level communication is based on the standard DIN SPEC 70121 and the ISO/IEC 15118-series.

Load balancing
CCS differentiates between two methods of load balancing. Reactive load balancing allows changing the energy flow from Electric Vehicle Supply Equipment (EVSE) to EV instantaneously to a specific limit. Scheduled load balancing supports reactive load balancing and additionally a planning of the energy flow from EVSE to EV with e.g. different power limits and cost indicators over time. It may for example be used to optimize energy distribution in a smart grid.

Charging authorization modes
For charge authorization, generally two approaches are foreseen. With "plug and charge", the user plugs in their vehicle and an automated authentication and authorization process is started without any further user interaction. Payment is performed automatically. With "external payment", the user has to identify with an RFID card at the terminal, or conduct a payment with a payment card, before they can proceed with charging.

Vehicle coupler
The vehicle coupler is composed of the vehicle connector, which is mounted at the end of a flexible cable, and the vehicle inlet, the counterpart of the connector, which is located within the vehicle. The CCS couplers were based on the Type 1 coupler, and Type 2 coupler as described in IEC 62196-2. One of the challenges of the Combined Charging System was to develop a vehicle inlet which is compatible with both the existing AC vehicle connectors and additional DC contacts. For both Type 1 and Type 2 this has been accomplished by extending the inlet with two additional DC contacts below the existing AC and communication contacts. The resulting new configurations are commonly known as Combo 1 and Combo 2.

CCS connectors vary in power ratings, usually between 50-350kW. Even at 50kW, the connector's lowest output but most popular, you can expect around 75 miles of charge in just 30 minutes (based on a 60kWh battery). 350kW connectors are not all that common right now, but those can offer up to 525 miles of charge in just 30 minutes, while the more common 150kW set-ups offer 225 miles in the same time. In comparison, a Type 2 AC connector can supply 7kW from a single-phase set-up, which can add around 25 miles to a 60kW battery in an hour. CCS charging is much quicker and will help you top up your battery in much less time than a standard charger.