??????�'�??????�?2?????????

????o�???????§°???

      BTTZ ?????�????????????�?????�?2???????????? BTTQ ?????�????????????�?????�?2???????????????�??�??�????�????°§???�????????�??�??�?2????????????????§°???�??�?????????????????????????? ???????�??�??�?�????�??????�???????�????????-�?'???????°§???�?????????2???????????????????????????????�??�????????????????�?????????????????�???�??�????????�?2??????�?2??????????????� ??? 250a?? ??????�????-�?????�?'�??�?????1000a??*??????????1??????? 30 ???�???????-???�?'�??�????????�?????�???¤§????�?????�??????o??�??o?o|�??????????�??????�????????�?????�??è|????????????�????o??????1??1???

????o�????????????

a?????????????????�?????????°§?o???????�???????? 1 ?�???? 2 ?�??????????

a??�??????????????????�????�??�??�?2????o??????|???

a???????????????????????�'�??????�???????????

a??�???�?�???|???????�????¨é????�???????????1????�?�?o????�??�?????????�???�????????????????§è??????????o??�???????-???1??�??????????????�?o???????

a???o?�????°é????? 1 �????? 2 �????? 3 �????? 4 �????????????????�???è|??�?�??????o�??????

??????è|???¨é?????

a??BTTZ??? BTTQ ?????�??????�?2???????????????�????-????�????????o|??o 250a???????�950a??- 1000a?????????????-??????3?�??????? ??-???�?'???�?????????????????�??�??????????11083a???�????????°§???�??????????1??o2800a?? ) ?????�?o?????????????????????�??????????????§è????? ????-�??????�????�?o?�??????????? 1000V???????????????�?2??????????o?è·???-???

a???o??????�????o?è·?????o?????1???-?o?è·?????o????????????????�??�???�??o?è·???????�????�???????????????�-|??�????o?è·????�???????o?????�????o?è·???? ???�?2????�??o?è·????????????o???�??????o?è·???????�????-?????????????o?è·???????????o???�????o?è·?????????�??o?????�????o?è·????????12???????12�??????3?????o?è·???? ???�????¤è?1??�????o?è·????�?????????????�????????�????o?è·?????21?3??o?è·?????????�??±é??????????o????o?è·????