Download - Real-time simulator requirement for micro-grid simulation vs large power system

www.opal-rt.com

Real-time simulator requirement for micro-grid simulation vs large power system

Presented by

Luc-André Grégoire

International Conference on Industrial Technology March 17th-19th, 2015

http://www.opal-rt.com

2

Outline

2

- Presentation of real-time simulation

- Large power system simulation technique

- Micro-grid challenges for real-time simulation

- Distributed simulation approach

3

Presentation of real-time simulation

How many type of real-time simulation exist?

Pure Simulation

Controller Plant

IOs

4



Controller Plant

IOs

Real-time simulation

5



Rapid Controller Prototyping

(RCP)

IOs

Controller

Plant

IOs

Controller Plant

IOs

Real-time simulation

6


6


IOs

Controller

Plant

IOs

Hardware-In-the-Loop

(HIL)

7


7


IOs

Controller

Plant

IOs

Hardware-In-the-Loop

(HIL)

Controller

Plant

Real-plant

Power amplifier

Power sig

nals

IOs

IOs

Power-Hardware-In-the-Loop

(PHIL)

8


8

How does real-time simulation work?

9


9


𝑋 = 𝐴𝑋 + 𝐵𝑈

𝑌 = 𝐶𝑋 + 𝐷𝑈

𝑋𝑛 = 𝐴𝑋𝑛−1 + 𝐹𝑈𝑛

𝑌𝑛 = 𝑃𝑋𝑛−1 + 𝑄𝑈𝑛𝑒𝑞𝑢𝑎𝑡𝑖𝑜𝑛𝑠 𝑠𝑜𝑙𝑣𝑒𝑑 𝑏𝑦 𝑅𝑇𝑆

𝑧 = 𝑒𝑠𝑇

10


10


11


11


12


12


13


13


14


14


15


15


16


16


𝑋𝑎𝑛

𝑋𝑏𝑛 =

𝐴𝑎 00 𝐴𝑏

𝑋𝑎𝑛_1

𝑋𝑏𝑛_1 +

𝐵𝑎 00 𝐵𝑏

𝑈𝑎𝑛

𝑈𝑏𝑛

𝑋𝑎𝑛

𝑋𝑏𝑛 =

𝐴𝑎 𝐴𝑎𝑏𝐴𝑏𝑎 𝐴𝑏

𝑋𝑎𝑛_1

𝑋𝑏𝑛_1 +

𝐵𝑎 𝐵𝑎𝑏𝐵𝑏𝑎 𝐵𝑏

𝑈𝑎𝑛

𝑈𝑏𝑛

17

Outline

17





18

Large power system simulation technique

18

• Specialized software

• ARTEMiS

• SSN

• Traditional method

• Distributed parameter line

• Stubline

• Voltage/Current source

19


19

• Distributed parameter line (DPL)

20


20


21


21


22


22

• Stubline

23


23

• Stubline

𝐶 =𝑇𝑠2

𝐿

Ts

24


24

• Stubline

Ts

𝐿 =𝑇𝑠2

𝐶

Ts

25


25


26


26


27

Outline

27





28

Micro-grid challenges for real-time simulation

28


1 km

𝑇𝑠 = 50 × 10−6 𝑇𝑠 = 500 × 10−9

2929

• Stubline

𝐶 =𝑇𝑠2

𝐿


SI PUNominal power 100 kVA 1Nominal voltage 600 V 1Nominal frequency 50 Hz 1Line impedance 1.1 mH 0.1Capacitorconductance (50 Hz)

2.18 µF 0.0025

Capacitorconductance (5 kHz)

2.18 µF 0.25

𝑇𝑠 = 50 × 10−6

3030

• Stubline

𝐶 =𝑇𝑠2

𝐿



2.18 µF 0.0025


2.18 µF 0.25


87.27 nF 0.00001


87.27 nF 0.01

𝑇𝑠 = 10 × 10−6

3131


32

Outline

32





3333

Distributed simulation approach

3434


1 2

3

1 2 3

Pure and RT

simulation application

3535


1 2

3

1 2 3

HIL application

3636


RCP simulation

application

3737
