Smart Grid Technology Principle and Application Smart Grid Measurement and Control

Transcription

1 Smart Grid Technology Principle and Application Smart Grid Measurement and Control Krischonme Bhumkittipich, D.Eng., SM-IEEE Department of Electrical Engineering Rajamangala University of Technology Thanyaburi, Thailand

2 Curriculum Vitae Smart Grid Technology: Principle and Application Krischonme Bhumkittipich, D.Eng.(Energy) q q q q q q Associate Professor in Electrical Engineering, RMUTT. Director of Graduate School, RMUTT. Research Associated at q Asian Institute of Technology q RWTH-Aachen University Publications: >100 papers (Both TH and EN) Research Interest: q Power System Dynamic and Stability q Power System Interconnection q Smart Grid Technology Teaching q Advanced Mathematics q Computer-Aided Power System Analysis q Optimization Technique & AI on Power System q Power System Dynamic and Stability q Smart Grid Technology Krischonme Bhumkittipich 2

3 Smart Grid Technology: Principle and Application Outline l Background of Electrical Power System Ø presented by Dr. Krischonme Bhumkittipich (KB) l Smart Grid Concept and Technology Ø presented by Dr. Krischonme Bhumkittipich (KB) l Smart Grid Measurement and Control Ø presented by Dr. Krischonme Bhumkittipich (KB) l Application of Smart Grid Technology Ø presented by Dr. Yuttana Kongjeen Krischonme Bhumkittipich 3

4 Physical Structures

5 Supervisory Control and Data Acquisition (SCADA)

6 Energy Management Systems

7

8 Hierarchical Control Structure

9 Time Scales of Power System Control

10 Schematic Diagram of a Steam-Turbine Generator

11 Basic Generator Control Loops

12 Reactive Power and Voltage Control

13 Real Power and Frequency Control

14 Automatic Generation Control (AGC)

15 Purpose of AGC

16 3 Components of AGC

17 Basic Control Theory

18

19 Basic Frequency Control Loops

20 Real Power Control: Block Diagram

21 Generator Model

22 Generator Model: Block Diagram

23 Load Model

24 Load Model: Block Diagram

25 Generator-Load Model

26 Turbine (Prime Mover) Model

27 Governor Model

28 Governor Model: Block Diagram

29 Turbine-Governor Model

30 Speed-Power Relationship

31 The Unit for Regulation (R)

32 Static Speed-Power Curve

33 Example

34 Example

35

36 AGC for Single Generator

37

38 Steady-State Frequency Calculation: Without Load Damping

39 Steady-State Frequency Calculation: With Load Damping

40 Example

41 Example

42 Example

43 AGC for Multiple Generators

44 Power Balance Equation at Each Bus

45 Load Power Equation

46 Turbine Mechanical Power Output

47 AGC for Multiple Generators

48 Tie-line Model

49 Tie-Line Block Diagram

50 AGC for Two Generators

51 Static Speed-Power Characteristic

52 Steady State Frequency Calculation

53 Note that

54

55 NERC Control Areas

56 Simplified Control Model

57 Area Frequency Response Characteristic β

58 Area Frequency Response Characteristic β with Load Damping

59 Example

60 Power Pool Operation

61 AGC for Multi Areas

62 Area Control Error (ACE)

63 Frequency Bias Setting B

64 ACE: Tie-Line Bias Control

65 AGC for 2-Area with Tie-line Bias Control: Block Diagram

66 AGC for 2-Area with Tie-line Bias Control : Static Speed-Power Curve

67 Example

68 Example Frequency Calculation

69 Example ACE Calculation

70 Example: Control Action

71 ERCOT Frequency Plot

72 ERCOT ACE

73 Economic Dispatch