KHÓA ĐÀO TẠO TÍNH TOÁN ỔN ĐỊNH VÀ HƯỚNG DẪN SỬ DỤNG PHẦN MỀM PSSE CHO KỸ SƯ HỆ THỐNG ĐIỆN (Mô phỏng các sự kiện ổn định trên Phần mềm PSSE): • Scenario 1• Scenario 2• Scenario 3• Scenario 4 • Scenario 4• Scenario 5• Scenario 6• Scenario 7
Trang 1TRANSMISSION &
DISTRIBUTION
A Division of Global Power
POWER SYSTEM STABILITY CALCULATION TRAINING
Days 10-12 - Simulation of Dynamic Events
December 2, 2013 Prepared by: Mohamed El Chehaly
Trang 2OUTLINE OUTLINE
Trang 3SCENARIO 1: FAULTS AT
DI-LINH & TAN DINH
Trang 4Slider Diagram
Slider Diagram
Trang 5Load Flow
Load Flow
N-0:
Line DI LINH – TAN DINH (4020 – 4100)
Special protection scheme is employed
Trang 6Special Protection Scheme
Special Protection Scheme
If the voltage at PHU LAM 500 (4400) is
less than 400 kV (0 8 pu) for 0 5 seconds
less than 400 kV (0.8 pu) for 0.5 seconds
PLAM_T5 (bus 43678, load 43 MW)
PLAM T6 (bus 43688 load 42 MW)
PLAM_T6 (bus 43688, load 42 MW)
Trip 2 auto-transformers at LONG AN 2
If the voltage at PHU LAM 500 (4400) is t e o tage at U 500 ( 00) s
less than 430 kV (0.86 pu) for 5 seconds
PLAM_T5 (bus 43678, load 43 MW)
PLAM_T6 (bus 43688, load 42 MW)
Trip 2 auto-transformers at LONG AN 2
Trang 7Faults
DI LINH (4020)
Three phase fault following by a trip of line DI
Three-phase fault following by a trip of line DI
LINH – TAN DINH (4020 – 4100) after 100 ms
Single-Line-to-Ground fault following by a trip of g g y p
line DI LINH – TAN DINH (4020 – 4100) after
100 ms (with and without auto-reclose)
TAN DINH (4100)
Three-phase fault following by a trip of line DI
LINH – TAN DINH (4020 – 4100) after 100 ms
Single-Line-to-Ground fault following by a trip of
line DI LINH – TAN DINH (4020 – 4100) after 100
ms (with and without auto-reclose)
Trang 8SCENARIO 2: FAULTS AT
SCENARIO 2: FAULTS AT
PLEIKU & DI-LINH
Trang 10Load Flow
Load Flow
N-0:
Line PLEIKU – DI LINH (3300 – 4020)
835 MVA (46.8%)
N-1:
System collapse
System collapse
One of the most severe contingencies
Special protection scheme is employedp p p y
Trang 11Special Protection Scheme
Special Protection Scheme
If the voltage at PHU LAM 500 (4400) is
less than 400 kV (0 8 pu) for 0 5 seconds
less than 400 kV (0.8 pu) for 0.5 seconds
PLAM_T5 (bus 43678, load 43 MW)
PLAM T6 (bus 43688 load 42 MW)
PLAM_T6 (bus 43688, load 42 MW)
Trip 2 auto-transformers at LONG AN 2
If the voltage at PHU LAM 500 (4400) is t e o tage at U 500 ( 00) s
less than 430 kV (0.86 pu) for 5 seconds
PLAM_T5 (bus 43678, load 43 MW)
PLAM_T6 (bus 43688, load 42 MW)
Trip 2 auto-transformers at LONG AN 2
Trang 12Faults
PLEIKU (3300)
Three phase fault following by a trip of line
Three-phase fault following by a trip of line
PLEIKU – DI LINH (3300 – 4020) after 100 ms
Single-Line-to-Ground fault following by a trip of g g y p
line PLEIKU – DI LINH (3300 – 4020) after 100 ms
(successful and unsuccessful auto-reclose)
DI LINH (4020)
Three-phase fault following by a trip of line
PLEIKU – DI LINH (3300 – 4020) after 100 ms
Single-Line-to-Ground fault following by a trip of
line PLEIKU – DI LINH (3300 – 4020) after 100 ms
(successful and unsuccessful auto-reclose)
Trang 13SCENARIO 3: FAULTS AT PHU
SCENARIO 3: FAULTS AT PHU
LAM & DAK NONG
Trang 14Slider Diagram
Slider Diagram
Trang 15Load Flow
Load Flow
N-0:
Line PHU LAM – DAK NONG (4400 – 3500)
Special protection scheme is employed
Trang 16Special Protection Scheme
Special Protection Scheme
This fault will cause instant trip of the
following loads
following loads
PLAM_T5 (bus 43678, load 43 MW)
PLAM T6 (bus 43688 load 42 MW)
PLAM_T6 (bus 43688, load 42 MW)
Trip 2 auto-transformers at LONG AN 2
Trang 17Faults
PHU LAM (4400)
Three phase fault following by a trip of line PHU
Three-phase fault following by a trip of line PHU
LAM – DAK NONG (4400 – 3500) after 100 ms
Single-Line-to-Ground fault following by a trip of g g y p
line PHU LAM – DAK NONG (4400 – 3500) after
100 ms (successful and unsuccessful
auto-reclose)
DAK NONG (3500)
Three-phase fault following by a trip of line PHU
Three-phase fault following by a trip of line PHU
LAM – DAK NONG (4400 – 3500) after 100 ms
Single-Line-to-Ground fault following by a trip of
line PHU LAM – DAK NONG (4400 – 3500) after
100 ms (successful and unsuccessful
auto-reclose)
Trang 18SCENARIO 4: FAULTS AT O
SCENARIO 4: FAULTS AT O
MON & NHABE
Trang 20Load Flow
Load Flow
N-0:
Line O MON – NHABE (4750 – 4450)
418 MVA (20.2%)
Low voltages at O MON below limits
N-1:
N-1:
Voltages at O MON below 0.90 pu
Contingency that can lead to load tripping in the g y pp g
area
Trang 21Faults
O MON (4750)
Three phase fault following by a trip of line O MON
Three-phase fault following by a trip of line O MON
– NHABE (4750 – 4450) after 100 ms
Single-Line-to-Ground fault following by a trip of g g y p
line O MON – NHABE (4750 – 4450) after 100 ms
(successful and unsuccessful auto-reclose)
NHABE (4750)
Three-phase fault following by a trip of line O MON
– NHABE (4750 – 4450) after 100 msNHABE (4750 4450) after 100 ms
Single-Line-to-Ground fault following by a trip of
line O MON – NHABE (4750 – 4450) after 100 ms
(successful and unsuccessful auto-reclose)
Trang 24 With correct re-dispatch of the generation, no big p g , g
issues should be found
Trang 25Faults
PMY_1_S4 (52040)
Three phase fault at PMY 1 S4 (52040) following
Three-phase fault at PMY_1_S4 (52040) following
by a trip of the generator after 100 ms
Single-Line-to-Ground fault PMY 1 S4 (52040) g _ _ ( )
following by a trip of the generator after 100 ms
(successful and unsuccessful auto-reclose)
Trang 29Faults
NMDHTRHC21(50902)
Three phase fault following by a trip of line
Three-phase fault following by a trip of line
NMDHTRHC21– MYTHO 2 C22 (50902 – 59052)
after 100 ms
Single-Line-to-Ground fault following by a trip of
line NMDHTRHC21– MYTHO 2 C22 (50902 –
59052) after 100 ms (successful and
59052) after 100 ms (successful and
unsuccessful auto-reclose)
Trang 30SCENARIO 7: FAULTS DAK
SCENARIO 7: FAULTS DAK
NONG 2 220 KV
Trang 32Load Flow
Load Flow
N-0:
Turn on all generators at DAK NONG 3 and DAK
Turn on all generators at DAK NONG 3 and DAK
NONG 4 and re-dispatch other generators
more than permissible)
Trang 33Faults
DAKNONG2 (91612)
Three phase fault following by a trip of line
Three-phase fault following by a trip of line
DAKNONG2 – BINH LONG 2 (91612 – 55422)
after 100 ms
Single-Line-to-Ground fault following by a trip of
line DAKNONG2 – BINH LONG 2 (91612 –
55422) after 100 ms (successful and
55422) after 100 ms (successful and
unsuccessful auto-reclose)
Trang 34QUESTIONS?
Trang 35WE CARE embodies SNC-Lavalin’s key corporate values and y p beliefs It is the cornerstone of everything we do as a company
Health and safety, employees, the environment, communities and quality: these values all influence the decisions we make
every day And importantly, they guide us in how we serve our clients and therefore affect how we are perceived by our external
partners WE CARE is integral to the way we perform on a daily
b i It i b th ibilit d f ti f ti d basis It is both a responsibility and a source of satisfaction and pride by providing such important standards to all we do.
WE CARE about the health and safety of our employees, of those who work under our care, and
of the people our projects serve.
WE CARE about our employees, their personal growth, career development and general
well-WE CARE about our employees, their personal growth, career development and general well
being.
WE CARE about the communities where we live and work and their sustainable development, and we commit to
fulfilling our responsibilities as a global citizen.
fulfilling our responsibilities as a global citizen.
WE CARE about the environment and about conducting our business in an environmentally responsible manner.
WE CARE about the quality of our work.