1986 4 25 RBMK 100 kW 100km 1970 1977 RBMK RBMK 1661 25 320 kW 13 160 kW 50 25 23 10 26 0 70 100 kW 26 14 20 kW 23 23 40 AZ-5 AZ-5 1991 26 � � 7 26 26 5km 27 2 1200 5000 30km 30km 30km 1986 8 IAEA 15km 120 9 10 ( ) 45,000 33 3 7 km 5 7,000 540 7 10 km 4 9,000 460 10 15 km 10 8,200 350 15 20 km 16 11,600 52 20 25 km 20 14,900 60 25 30 km 16 39,200 46 1986 1986 70 1989 200km 131 30 137 1989 11 1991