大型风力机复合材料叶片的气动外形和载荷设计

Desing

DLC

Wind condition

Other conditions

Type of
analysls

Parial
Safety
factors

1) Power production

1.1

NTM   Vhub=VrorVout

U

N

1.2

NTM   Vin﹤Vhub﹤Vout

F

1.3

ECC    Vhub=Vr

U

N

1.4

MWP   Vhub=VrorVout

External electrical fault

U

N

1.5

EOG1   Vhub=VrorVout

Loss of electrical
connection

U

N

1.6

EOG00  Vhub=VrorVout

U

N

1.7

EWS   Vhub=VrorVout

U

N

1.8

EOCSO  Vhub=VrorVout

U

N

1.9

ECG   Vhub=Vr

U

N

2) Power production
plus occurrence of fault

2.1

NWP   Vhub=VrorVout

Control system fault

U

N

2.2

NWP   Vhub=VrorVout

Protection system or
Preceding internal
Electrical fault

U

A

2.3

NTM   Vin﹤Vhub﹤Vout

Control or protection
System fault

F

3) Start up

3.1

NWP   Vin﹤Vhub﹤Vout

F

3.2

EOG1    Vhub= Vin Vror
Vout

U

N

3.3

EDC1    Vhub= Vin Vror
Vout

U

N

4) Mormal shut down

4.1

NWP   Vin﹤Vhub﹤Vout

F

4.2

EOG1    Vhub=VrorVout

U

N

5) Emergency shut
down

5.1

NWP   Vhub=VrorVout

U

N

6) Parked (standing still
or idling)

6.1

EWM   Vhub=Vrso

Possible loss of
electrical power
network

U

N

6.2

NTM    Vhub﹤0.7Vref

F

7) Parked and fault
conditions

7.1

EWM   Vhub=Vel

U

A

8) Transport, assembly,
Maintenance and repair

8.1

To be stated by the
manufacturer

U

T