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  1. structure59

    Electrical Interference while using VFD

    Hi, I am facing a problem of electrical interference in sidescan sonar winch of an oil/gas exploration vessel. Can anyone suggest a solution please? 1. The equipment sidescan sonar operates in ship supplied through DG power 415 Vac, 50 Hz, 3ph 2. Winch has option of operating in VFD mode and...
  2. structure59

    5 KVA UPS

    Hi, Where can I purchase an ONLINE, 5 KVA, 1 Phase UPS with 12 V battery on input side? The batteries should be outside and back up time is required for 30 minutes. In market they have machines with 192 V input and in some cases 48 V.
  3. structure59

    Heat dissipation in IP 67 Enclosure

    Hi, I have a 750mmDx600mmWx450mmH IP 67 enclosure of SS 304 and it has one 5KVA online UPS plus 4SMPS inside.Total power input is 3000Watts.Willthe heat dissipation be a problem? The enclosure will be used in open air.
  4. structure59

    Potholes on roads during rainy season

    During rainy season in India we face enormous problems due to potholes on tarred roads.At some places they are as big as 5 feet diameter and 1 foot deep at the center. Needless to say the traffic moves at snails pace, two wheeler meet with accidents, cars and trucks get damaged their axle breaks...
  5. structure59

    Can we start an Automatic Car( without an external battery) if the car's battery runs down ?

    I am from Mumbai India. Last night I had gone to a function and by mistake the tail lights of my Toyota Altis remained ON. At around 3 AM when I came out the car wont start. I dialed TOYOTA Helpline and they sent a mechanic in half an hour with an external battery who promptly started my car...
  6. structure59

    Hydraulically operated mini Table Top Shearing Machines

    Hi, I have a table top model of Din Rail Cutter which is just a miniature hand operated shearing machine operating with a 1 mtr. long lever. It cuts m.s.channels of 1.6 mm thick in U and J shape easily. There is one fix and one moving die plate with slots to allow the U and J channel to be...
  7. structure59

    Suitable Hydraulic Mechanism for miniature table top shear machine

    Hi, I have a table top model of Din Rail Cutter which is just a miniature hand operated shearing machine operating with a 1 mtr. long lever. It cuts m.s.channels of 1.6 mm thick in U and J shape easily. There is one fix and one moving die plate with slots to allow the U and J channel to be...
  8. structure59

    Gravity Generators

    Hi, Any one who has information about gravity operated electric generators ? Is it commercially viable method ?

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