- . 㳿 , :
(, , , , );
( , , );
( , , );
( );
( , );
( , , , );
.
ֳ : , , .
, 60- , p-n-p-n . , .
80- , , (GTO Gate-turn-off). GTO . GTO , 㳿 . GTO .
90- (IGBT Insulated Gate Bipolar Transistor). GTO , (, ). , IGBT, , , .
, , , , .
, . : GTO () IGBT () . , , ( ) .
|
|
ABB Semiconductors Mitsubishi , (Gate Commutated Thyristor GCT) IGCT (Integrated GCT).
GCT , GTO , , - , , .
. GCT , , , , ( 3000 /), .
( GTO) , . GCN . IGCT . , IGCT GCT .
. , . ǒ . , , .
( 2.1).
2.1.
Գ- | I, | UDRM, | URRM, | Δ U, | ||
SCR | Semiconducturs | 5STP 34N5200 | 2,54 | |||
GT | Semiconducturs | 5SGT 30J6004 | 3,35 | |||
IGT | Semiconducturs | 5SHY 35L4502 | 2,65 | |||
GCT | Mitsubishi | PGC4000AX-90DS | 2,65 | |||
IGBT (PP HV IGBT) | Toshiba Semiconductur Group | ST1200FXF21 | 4,5 | |||
: 1. ; ( ) , . 2. U Im = I. U ( ) , , . 3. U DRM, U RRM IGBT U CES, U GES . |
( 2.2).
2.2.
|
|
ֳ, . 1.=260 | |||
SCR | . . . 璺 . | . | ≈ 0,5 |
GT | . . 璺. 250 4 . | . 㳿 . . . | ≈ 1 |
IGT | . GTO. . . . 璺. | ≈ 1,5 | |
IGBT (PP HV IGBT) | . ( 10 ). . . | . | ≈ 2 |
, , 50 :
SCR;
(BPT Bipolar Power Transistor);
(MOSFET Metal Semiconductor Field Effect Transistor);
(Power IC);
(Smart Power IC).
, 50 :
BPT;
IGBT;
SCR;
, , GTO;
, , GCT;
, IGCT;
.
IGBT IGCT (. 2.2, 2.3).
)
)
. 2.2.
2.3.
GTO | IGBT | IGCT | |
109 (FIT) | |||
, | |||
, | |||
ᒺ, | |||
(Δ =80˚ ) | |||
n | 36´5 | 18´2,5 | 1´32 |
IGCT , , 㳿 . IGCT . GTO SCR.
- .
. . .
- - .
- , 璺 㳿 , ( ) . - , , , , . , , (Smart Intelligent) .
|
|
, . , . , , , , , .
, , .
, . . . , 璺. .
, , ( ), , .
, BPT , . BPT MOSFET / 400 . (, ).
SCR. : (1,2 1,5 ), , / , ( 8 ), (4 ), , , , , . : IGBT IGCT. SCR - /, :
, . , + , ;
( , , , 㳿 ).
SCR ᒺ ( ), -, - . () du/dt, , .
|
|
, , GTO IGCT. GTO ( , , , ᒺ ) IGCT , , 4,5 . ( 3,5 ) IGCN. IGCN : , 6 9 , , , , .
MOSFET. , , , MOSFET Smart IC.
IGBT. . IGBT :
(12 , 57 );
;
;
, ;
IGBT ( ) ;
, .
IGBT IGCT .
-, 㳿 ( , ). - , 1,0. , .
-, , , , . , 1,0 , . , , . .
-, , , . , . , , .
³ - . , , , , , .
1. , , 50 ?
2. .
|
|
3