�\��g��늳��m��mЧ�ʵ�Ӱ��

��r�g��2009-10-13 08:59 ��Դ�� : ��x��2687

0 ��

�S��h(hu��n)��΄ݵ��,��Ҍ��m�O��ĳ��ŷŝ��Ҫ��Խ��Խ��񡣜ʴ_��늳��m��mЧ�ʵ�Ӱ��,��ڌ��H��м��ҕ�͸��M��@��Ȟ��Ҫ,��P��ڴˌ�Ӱ�늳��m��mЧ�ʵ��M�з��cͬ��̽ӑ,��

1 �OӋ�x�͵�Ӱ�

��ڌ�Ӱ�늳��m��Ч�ʵĸ��N��(n��i)��ز��ϵ�y(t��ng)�Ĕ�(sh��)�W��,��Ŀǰ늳��m��OӋ�x��Ȼ�ǎ��н�(j��ng)��Եġ��ڴ_��NӰ푳��m��غͷ��r�Ķ��Pϵ��,��Mչ��Ķ��늳��m��OӋ��c��һ��^�ߵĔ�(sh��)�Wģ��,��늳��m��ĳ��mЧ��Ҫ�_��OӋҪ��횝M��ɂ��l��һ�Ǻ��m��̎��L��,��ǡ��?sh��)��^�V�L�٣��ˮ��ИI(y��)��͸ɷ��G�^�Gβһ��0��7��1.0m��s,��Ǻ��m�ıȼ��m��e��߼��m��e,��һ��f��ͬ�ӗl��±ȼ��m��e��t̎��,��x�͕rҪ�C�Ͽ��]��g��ܺͽ�(j��ng)��ָ��,��xȡ��Ҏ(gu��)��늳��m��OӋ�x�͕rҪ��]��r��,��H�\��늉��Ե�,��Ժ󼼸��б�Ҫ�ĸ�ԣ��

��w�x��ҪӋ��ą��(sh��)�У�

��Ч��e��

ʽ�У�S——��(j��)��Ӌ��늳��m��Ч��e,��m2,��

Q——��w̎��,��m3��h��

V——��w��,��늈��L��,��m��s��͸ɷ�ˮ��D(zhu��n)�Gȡ0��7��1.0m��s,��

��Ч��m��e��

ʽ�У�A——늳��m��Ҫ��Ч��m��e,��m2

Q——��w̎��m3��h,��

η——��mЧ�ʣ�

ω——�m��Ч�(q��)�M�ٶ�,��cm��s,��ˮ��ȡ7��10cm��s��

K——�O�䃦��ϵ��(sh��),��һ��r��ȡ5��,��

2 �O��O��Ӱ�

��(j��)��Ч�ʹ�ʽ��mЧ��η�c�(q��)�M�ٶ�ω��,��ֻҪ��(q��)�M�ٶ�ωֵ,��mЧ��Ȼ��ߣ��湫˾�l(f��)�F(xi��n)��O��g��250mm��375mm�r,��(q��)�M�ٶ��,��늉��ߣ�늕��,��Ҍ��g��؄e�m��ڷۉm��ֵ��1011Ω��cm��ҵķۉm(��D1��ʾ)�,��F(xi��n)ͬ�ԘO��OӋ��400mm��늉��72��100kV,��0.7��1.2A,��ˮ�༰��ИI(y��)��ʹ��Ч��_��OӋҪ��

�D1 �O��g��mЧ��Ӱ�

�O��Ŀǰʹ��V��480C�͘O��,��480C�͘O��ƽ��õ�늚��,��O��ܶȾ��򣬰��扺�Мϲ�,��ʹ֮��ۉm,��߅��߅��H��˘O��Ą��ԣ��L��߀��Է�ֹ�ۉm��ٴ��w�P,��

��늳��m��̎��ğ��ͨ��ض��^��,��O��l(f��)��Û��O��΢С��׃�ο��ͬ�O��^��׃��,��ʹ�÷ۉm�(q��)�M�ٶȽ��,��늳��m��ĳ��mЧ��½�,��ˣ��OӋ�ИO��đҒ��Ҫ��ϲ��ҵ�,��²��̶��ķ�ʽ,��@�ӘO��s��ꖘO��в��O�Ô�(sh��)��ӌ��O��c�O��λ�̶�,��Ч��ֹ�O��ğ�׃��,��

�O��F(xi��n)�ڵ��ʽ�^�࣬��ʹ��Ч��õ�߀��BS��â�̾�,��ԓ�O��Cе��^��,��늉��ͣ��ܺ�,��ߝ�ȷۉm��^��r��늕��]��F(xi��n)��,��

3 �M��ڟ��c��ֲ��Ӱ�

�M��ڟ��ҪĿ��ǽ��L�١��L,��ҳ��ִ��w��,��M�ڟ��ͨ��O�Ãɵ��L�壬��L��_��ʵĺ��ஔ��Ҫ,��횴_��늳��m�M�⟟��ɂ�(c��)�M��ƫ��С��5��,��σ≤0��18��M�ښ��ֲ��O�ð��~��ʽ��,��ð��~��ʽ�Cе��m��ԭ��,��ڸߺ��m��M�дֳ��m��@�p��M��һ늈��ğ��⺬�m��,��

��ʹ��ڟ��²��γ��^(q��)��ՉmЧ��,��Ҫ��ȴ�ڶ��eС��M�ڵ��e��ȵ��ľ�ҲҪ̧��һЩ,��߲��ͬһˮƽ��,��

��ڵͱ��ۉm��S�F(xi��n)�󣬲��ط�늈��ķۉm��늈�,��ͬ�r,��ĩ늈��r�Ķ��ΓP�m��ռ��ĉm��ݳ�늈�,��˕r��ڳ��m��ڴ�ֱ��Q��һ�Ӳ��ΰ�,��Ч��@Щ�ݳ��ķۉm��mЧ��@��,��

4 ��ʽ��ҕr�g��Ӱ�

��õ��򏊶Ⱥ��r�g�ǳ��mЧ�ʵı��C,��򏊶ȼ�Ҫ��CꖘOϵ�y(t��ng)��ꎘOϵ�y(t��ng)�ķۉm�ܼ��r��ֲ��܏��^��,��t��ΓP�m,��ԇ��,��x늳��m��ķۉm�s40��60��ǰl(f��)��ژO��r��m��ƶȿ�ʹ��x�ķۉm�p��һ��,��ꖘO��M�Ă�(c��)��D(zhu��n)�ϱ��Nʽ��픲�늴��N��,��㡢��ٶȴ�,��ٶ��_120g,��޶ȵؽ��Ͷ��ΓP�m��H�\��Ч��,��ԓ��C��(g��u)��ɿ�,��ھS�o��

5 ��弰С늈�늘O��m��Ӱ�

��r�º��m��M�ڶ˿��Բ��(j��ng)�^늈��ɻҶ��(n��i)��Z��ڶ�,��γɶ�·,��늳��m��߅�ϵĘO��(c��)��w��l(w��i)00mm��ҵľ��x��m��Ҳ��@�ο��gֱ�ӏ��M�ڶ˸Z��ڶ��γɶ�·,��,��늳��m��Չm�O��ܺͻҶ��(n��i)�O�õ��͓��Ұ��P��Ҫ,��@��ʹ��m��ȫ��M��늈�,��⟟��·��ɷۉm��ݣ��Ҳ�ڻҶ��Ұ�̎�O�o��늘O,��^�p�ķۉm,��ֹ�^�p�ķۉm�S��ݵ��ڣ��mЧ��,��

6 �ۉm��Ӱ�

늳��m��đ��÷��ܷۉm��Ӱ푱��^��,��ۉm��106��1011Ω��cm��⣬�t��mЧ��@��½�,��˷ۉm��^�߻��^��,��늳��m��H��(j��ng)��Еr��,��늳��m��S��߶��½�,��Еr��F(xi��n)��늕��F(xi��n)�󣬌��³��mЧ�ʴ��½�,��ۉm��l06Ω��cm�r,��m��늷��Ѹ�٣��y��Չm�O��,��Չm�O��S�\��,��K�S��x�_늈��

ˮ��D(zhu��n)�G�Gβ��ⲻ�H�ض��^��,��弉�Ҹ��A��ğ��һ��320��350��,��ұ��Ҳ��,��Ҫ��ć�ˮ��_��ۉm��ں��m�ķ��(n��i),��߷ۉm�(q��)�M�ٶ�,��

7 �ӏ��w��ܷ��c��

늳��m��w��麸�Ӽ��Ӵֲڌ��³��m��©�M��L,��ص�©�L��늳��m��ؓ��,��ص��r�ǟ��Y(ji��)¶��w�̓�(n��i)��(g��u)��g,��,��늳��m��⚤��Ƿ�ֹ��w�Y(ji��)¶��Ҫ��ʩ��ز��Ϻ��x��c��ˇ�l��ͭh(hu��n)��ض��P,��һ��ԭ�t��(j��ng)��m��ض��½��30�濼�],��

8 �Y(ji��)��Z

늳��m��mЧ�ʵ�Ӱ��ض࣬�C��s,��ҕ�κ�һ��(ji��)��п��܌��늳��m��\��,��ԣ��҂��ڽ��OӋ�c�x�͹��Ҫ��،��,��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��棬Ո��߳֙��C��c��W(w��ng)(li��n)ϵ,��҂��r��,��h��x�x,��