Inhe took the lead in the School's decision--unique among major business schools--to make negotiation a required course in the MBA Program and to create a Negotiation Unit department which he headed for several years. The Negotiation Unit grew to several full-time negotiation faculty teaching the required course to over students per year as well as offering advanced dealmaking and negotiation courses to MBAs, doctoral students, and executives. Early in his career, he co-founded the Negotiation Roundtable, an ongoing forum in which hundreds of varied negotiations have been examined to extract their most valuable lessons.
The microsources have plug-and-play features. They are provided with PEIs to implement the control, metering and protection functions during stand-alone and grid-connected modes of operation.
These features also help seamless transition of Microgrid from one mode to another. The Microgrid consists of three radial feeders A, B and C to supply the electrical and heat loads.
Microsources and storage devices are connected to feeders A and C through microsource controllers MCs. Some loads on feeders A and C are assumed to be priority loads i. Feeder B, however, contains only non-priority electrical loads. CB4 is operated to connect and disconnect the entire Microgrid from the main grid as per the selected mode of operation.
The microsources on feeders A and C are placed quite apart from the Microgrid bus to ensure reduction in line losses, good voltage profile and optimal use of waste heat.
Although the control of power flow and voltage profile along radial feeders is quite complicated when several microsources are connected to a common radial feeder and not to a common generator bus, this configuration is necessary to avail the plug-and-play feature of the microsources.
The Microgrid is operated in two modes: In grid-connected mode, the Microgrid remains connected to the main grid either totally or partially, and imports or exports power from or to the main grid. In case of any disturbance in the main grid, the Microgrid switches over to stand-alone mode while still feeding power to the priority loads.
For option ithe Microgrid will operate as an autonomous system with all the microsources feeding all the loads in feeders A, B and C, whereas for option iifeeders A and C will supply only the priority loads while feeder B will be left to ride through the disturbance.
The operation and management of Microgrid in different modes is controlled and co-ordinated through local MCs and the central controller CC whose functions are enlisted as follows: It must also ensure that each microsource rapidly picks up its generation to supply its share of load in stand-alone mode and automatically comes back to the grid-connected mode with the help of CC.
The most significant aspect of MC is its quickness in responding to the locally Distributed generation and Microgrid concept 7 monitored voltages and currents irrespective of the data from the neighbouring MCs.
This control feature enables microsources to act as plug-and-play devices and facilitates the addition of new microsources at any point of Microgrid without affecting the control and protection of the existing units. Two other key features are that an MC will not interact independently with other MCs in the Microgrid and that it will override the CC directives that may seem dangerous for its microsource.
Its objectives are i to maintain specified voltage and frequency at the load end through power-frequency P-f and voltage control and ii to ensure energy optimisation for the Microgrid.
The CC also performs protection co-ordination and provides the power dispatch and voltage set points for all the MCs. CC is designed to operate in automatic mode with provision for manual intervention as and when necessary.Ulsan, South Korea. Raleigh (Nc), United States.
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