If you have difficulty in submitting comments on draft standards you can use a commenting template and email it to admin.start@bsigroup.com. The commenting template can be found here.
Standards Development
This international standard specifies the requirements of low voltage DC distribution systems and interconnected installations. This standard is a supplement to IEC 60092 and gives additional requirements to DC power supply grids.
The use of primary DC distribution is typically characterized by:
– DC low-voltages applicable up to and including 1500 V,
– DC-grids including various sources of power and consumers with power electronic controllers forming operational interfaces, with high dynamics,
– fast response times (transient and steady-state) and thus the requirement for very short reaction times in thus low inductance/high capacitance systems compared to conventional AC-grid systems,
– overvoltage and high peak current due to low impedances and the presence of capacitors,
– converters which will create special fault mitigation scenarios by their ability to block or limit the current.
The requirements of this standard establish general principles for:
– existing and new power generating units, new DC distribution concepts for electrical power, energy storage and advanced control of a total power balance, including semiconductor converters (AC to DC, DC to DC and DC to AC power converters) and dynamic load controllers,
– relevant system studies and calculations demonstrating a protection philosophy as needed for necessary selectivity, segregation methods and equipment selection,
– demonstrating an equivalent level of operability, maintenance and safety comparable to AC systems.
– primary and secondary DC distribution.
– The difference between primary and secondary grids is that the secondary grids will in general be used for lower stabilised voltages to which any commercial off the shelf (COTS) equipment intended for that voltage can be connected. Primary grids are intended for higher voltage levels; the voltage may or may not be stabilised and they might be intended for COTS equipment of equipment specifically designed for that supply grid.
This standard also gives guidelines for integration of energy sources of different nature and suitable locations of such installations.
Required form fields are indicated by an asterisk (*) character.
You are now following this standard. Weekly digest emails will be sent to update you on the following activities:
You can manage your follow preferences from your Account. Please check your mailbox junk folder if you don't receive the weekly email.
You have successfully unsubscribed from weekly updates for this standard.
Comment by: