楼宇自动化第2章1楼宇供配电系统.pptx

Chapter 2 Power supply and distribution system2.1 Introduction2.2 Typical system inside the building2.3 system diagram reading2.4 monitoring system2.5 ExamplesLarger user User Substation Power lineTransmission and distributionUserLarger userPower supply system 2.1 IntroductionHydropower plant Thermal power plant Nuclear powerplant Others传输transmitting分配distributing 产生Generating 2.1 Introduction110kV220kV500kV2.1 Introduction110kV 50-150km220kV 200-400km500kV 500km2.1 Introduction380V10kV35kV500kV2.1 IntroductionAutomation in Power Distribution◆ How does Power reach us? ◆ Bottlenecks in Power Reliability◆ The Technology Development Mission ●Communication and Networking ● Remote Terminal Unit ● Remotely Operable Switch ● (ASIC) Application Specific Integrated Circuit ● DA software ● Distribution Network Simulator 110kV 10kV 110kV 10kV0.4kV10kV 2.1 IntroductionPower stationTransformerDistribution substations User S1S2Main Spare 主供备用10kV Bus2.2 Typical system inside the buildingMain Electrical Connection(a) One main + one spare single bus（a) ◆ Two inputs Single bus bar ◆ Save (area and finance ) ◆ Service interruption or blackout ( bus failure ) ◆ Building with low reliability requirement or low loadS1S2Power1 Power2 Tie switch10kV Bus2.2 Typical system inside the buildingMain Electrical Connection(a) One main + one spare(b) Two inputs single bus with tie switch S1S2Main Spare 主 备 10kV Bus（b) ◆ Two inputs Sectionalizing bus with tie switch ◆ Additional bus tie cabinet and voltage transformer cabinet ◆ High reliability ◆ Building with high reliability requirement or high loadS1S2Power1 Power2 10kV bus10kV busSelf-providedgenerator10kV/400Vtransformeremergency Bus400V bus 2.2 Typical system inside the building(c) Two inputs with generator Two 10kV independent power inputs、self-supplied generator, Sectionalizing Single bus bar on low side。2.2 Typical system inside the buildingGenerator operation diagramdisappearrestor