Electrical safety for emobility

1 Electrical safety for emobility Intelligent Electrical safety for the mobile future In nearly 70 years, we have learned to think ahead in Electrical installation to the range of different charging a strategic, future-oriented manner and to deal today stations and into the vehicle. with what the customer will need tomorrow. Innovative solutions and services, unique know-how and global As the global market and technology leader, this is expertise when it comes to Electrical safety provide a underlined in our 5forU quality promise: response to the mobile challenges of the future - from Five-year guarantee on our products.

2 safety while d riv ing V On-Boa icle H rd Ne Veh two rk Page 3. Page 6. Page 8. ing rg AC. ha ha c c rg ing DC. Saf g ety while chargin Electric vehicles Charging stations Energy log 2. The challenge of emobility Electrical safety from the charging socket to the electric vehicle Electrical safety both in the electric vehicle itself and in the charging infrastructure is of key importance in the use of electric vehicles (EV). As in all areas of everyday life, protecting people from the hazards caused by Electrical current is top priority here too. In the electric vehicle (EV). In the vehicle, there are various voltages which require careful coordination of protective measures to control them.

3 Insulation faults in the Class B voltage system (on-board network) caused by, for example, contamination, humidity, faulty connections, etc. must be avoided or detected and remedied. At the charging station The basic aim is to be able to charge electric vehicles from virtually any socket. This means different networks and protective measures can come together during the charging process. This requires careful coordination and implementation of all measures in order to guarantee comprehensive Electrical safety for the user here too. In building installations The requirements for Electrical safety in buildings are defined in detail in the DIN VDE 0100 series of standards.

4 To make sure that electric vehicles (EV) can be charged safely and reliably, both the necessary protective measures required for the building and those required for new installations must be complied with and the system set up in accordance with the normative requirements for the charging process. 3. Electrical safety for the on-board network for electric vehicles - insulation monitoring The power supply system in an Electrical vehicle, known as the "Voltage Class B On-Board Network" can be seen as an isolated power supply system while the vehicle is running. One of the major challenges lies in detecting insulation faults early.

5 Causes for insulation faults in normal operation can be, for example: contamination, salt, humidity, faulty connectors, mechanical influences, etc. What are the requirements of the standard? ISO6469-3:2011. n . Electrically propelled road vehicles safety specifications ISOMETER iso165C. Part 3: Protection of persons against electric shock "the minimum insulation resistance of the on-board network must be maintained throughout the service life and under all operating conditions". The perfect solution: n Permanent monitoring of insulation resistance with ISOMETER series IR155 or iso165C. Major characteristics: n Universal for Voltage Class B systems AC/DC 0 1000 V IR155.

6 AC/DC 0 600 V iso165C ISOMETER IR155. n Patented measurement method for preventative detection of insulation faults 0 10 M . n Additional safety via automatic self-test Overview of important standards: n Permanent monitoring of earth connection to n ISO 6469-3:2011-12. Electrical chassis Electric propelled road vehicles safety inspections . Part 3: Protection of persons against electric shock n Detection of symmetrical insulation faults n Short-circuit-proof outputs for ISO 23273-3:2006-11. n . Fault messaging Fuel cell road vehicles safety inspections . Measured value (PWM signal) Part 3 Protection of persons against electric shock n Conformal coating (SL1301EO-FLZ) on IR155.

7 N Available for DC 12 V and 24 V supply voltage UL 2231-1:2002-05. n . Personnel Protection Systems for Electric Vehicle (EV). n Automotive approval e1 according to 72/245/EWG/. Supply Circuits: General requirements EEC 2009/19/EG/EC. n CAN interface on iso165C IEC 61557-8:2007-01. n . Electrical safety in low voltage distribution systems up to 1000 V and 1500 V Equipment for testing measuring or monitoring protective measures . Part 8: Insulation monitoring devices for IT systems 4. Application examples RESS. Inverter = M. L1 F. I n DC 6 mA (option). = Air conditioning PFC. N other loads =.

8 CP. Control pilot AC on-board function charger PE with galvanic IMD 14 V on-board separation (option) network = (galvanically isolated). Electr. chassis/protective equipotential bonding RTyre Insulation monitoring in an electric vehicle (EV) with an AC on-board charger with galvanic separation IMD = Insulation Monitoring Device PFC = Power Factor Correction 5. Electrical safety for DC charging stations Insulation monitoring DC charging stations are the means of choice for charging Electrical vehicles quickly. In order to guarantee the Electrical safety of the charging circuit, it is set up as an unearthed DC power supply system (IT system) with insulation monitoring.

9 During the charging process, the insulation monitoring device monitors the entire charging circuit in the charging station as far as the electric vehicle. This requires coordination with the insulation monitoring device in the vehicle. The IMD in the vehicle is switched off. What are the requirements of the standard? n IEC 61851-23 (2014-03):2014-11. ISOMETER isoEV425 with AGH-EV coupling device : Monitoring of insulation resistance of the secondary circuit. The perfect solution: Par. : The secondary circuit shall be designed as n Monitoring of the DC charging circuit using an IT system and protection measures in accordance ISOMETER isoEV425 and AGH-EV coupling device with Par.

10 411 of IEC 60364-4-41 shall be applied. 411. (for voltages of up to DC 1000 V). Application examples TN-C-S System distribution branch power source system installation circuit input DC charging station charging cable Application example L1. L2. L3 Mode 4 IT system IEC 60364-7-722. N I n DC 6 mA (Option). PEN. PE. contactor F. DC+. F. RB. DC- RCD. Typ A isolating transformer IMD. earthing at the Control CP. power source pilot CP. function PE. RPE. earthing in the RA. distribution system RAE. 6. Major characteristics: Overview of important standards: n Insulation monitoring for unearthed n DIN EN 61851-23 (VDE 0122- charging stations AC 0 793 V/DC 0 1000 V.)