KOSTAD I Questions about charging electric cars
There are two "types" of electricity used in electric cars: Alternating Current (AC) and Direct Current (DC). The electricity available from the utility grid is always alternating current. However, batteries, such as those in an electric vehicle, can only store direct current. For this reason, a "converter" is built into vehicles. A fast charging station already delivers "converted" direct current to the vehicle.
This depends on how big the battery is, how empty it is and at what maximum power it is charged. An example: The BMW i3 has a usable battery size of 37.9 kWh. If it were empty, a full charge with 2.3 kW would take more than 15 hours, with 11 kW about 3.5 hours and a quick charge with 50 kW about 40 minutes to 80 % charge level. However, the maximum charging power is limited by the maximum possible charging power of the electric car and that of the electrical installation.
Charging columns form the supply infrastructure for electromobility in public spaces, e.g. on roads or in Park & Ride areas. Charging columns can also be installed in company parking areas. Charging boxes, or wall boxes, are often installed in private car parks or on company premises, e.g. by fleet operators.
Any vehicle with a suitable charging plug can be charged at a charging pole. Depending on the signage, the parking space at the charging pole may only be used by vehicles with an E-licence plate.
On the vehicle side, plug types 1 and 2 are currently used. According to an agreement of the European car manufacturers, only plug type 2 will be used from 2017. On the charging station side, the following sockets are currently mainly used: Schuko, Type-2, CHAdeMO and CCS.
Inductive charging means: contactless charging. It allows e-cars to be charged by charging elements in the roadway, in car parks or garages. The energy is transmitted wirelessly by means of high-frequency alternating currents. However, this option is not yet ready for series production.
Water, humidity and weather do not affect the charging process, because the technical equipment is prepared for all eventualities, so that no specific temperature is necessary and water or humidity cannot penetrate anyway. Furthermore, the low-emission vehicle not only makes charging outdoors possible, but also in underground garages. This is especially popular with hotels, which allow access to the normal power grid via a shock-proof plug even if no charging station is available.
Charging e-cars offers safety in every respect. For charging at one's own location, the installation of a wallbox (technical security and communication-capable) is recommended. The charging process at public charging points cannot be interrupted by unauthorised persons. For this purpose, there is an electrical interlock. The cable can neither be removed from the e-car nor from the charging point by unauthorised persons.
Dangers for the user himself can also be ruled out during charging. The charging stations designed for this purpose are comprehensively protected, for example by fusing the plugs. Wetness or snow cannot cause an electric shock. The energy only flows when the e-car is connected to the charging pole.
KOSTAD I Questions about our products?
Unity products are delivered in RAL9016 (traffic white) as standard. The Unity20 is delivered in stainless steel.
You are welcome to order our products in special RAL colours and stickers.
Communication to the backend: OCPP 1.6 JSON; OCPP2.0 JSON (Roadmap Q1 2022)
Communication to EV: Din 70121, ISO/IEC 15118 with PnC (HW ready), CHAdeMO 1.2
Charging system: ICE 61851-1 ed 3, ID 61851-21-2, IEC 61851-23 ed 1, IEC 61851-24 ed 1, IEC 62196-2, IEC 62196-3, IEC 61000
Standard GWL 24 months; optional extension up to 60 months is possible.
Unity products offer the three most common charging connections in Europe: CCS2, CHAdeMO and AC Type 2.
KOSTAD I Questions about the application process?
An attractive and informative cover letter in which you express your interest in the advertised position and in our company.
A complete CV with an overview of your previous activities and education.
A recent application photo.
School, training, internship and work references relevant to the position sought (optional; however, these documents must be sent to us at the latest upon recruitment).
If you are interested in several vacancies and have the right profile, you have the option to apply for several vacancies individually.
After we have received your application, you will receive a reply to your e-mail address within one week.
After we have received your application documents, they will be reviewed by the specialist department and the HR department. If the decision is positive, the next step is an invitation to an interview.
The interview takes place at one of our locations in Moosbrunn. If you have a positive impression after getting to know us, there will usually be a second interview.
The application process is completed with the signing of the employment contract or a rejection.