ACDB stands for Alternating Current Distribution Box. It is installed between the solar inverter and your home appliances. Among all the components of an ACDB box, two are the primary ones. 1. AC Surge Protection Device (SPD) protects against power surges, by earthing the high voltage. AC Distribution Panel (ACDB), are the one of the important panel in substation / power plant / factory / Solar power plant etc. ACDB explained in this training has two incomers (two sources). One supply is feed through auxiliary transformer and other is feed through the Generator
Fuse Boxes
Main Breaker Panel
Main Lug Panel
Subpanels.
Transfer Switches
| Description | Rating | |
|---|---|---|
| Suitable for following system particulars | ||
| Voltage | 3 phase 415V phase to Phase and 230 V phase to neutral, 50Hz. | |
| System short circuit level | 100KA | |
| System earthing | Effectively grounded | |
| Design ambient temperature | 45°C | |
| Bus Bar rating | 2000A | |
| Incoming MCCB | In coming MCCB of sutaible range Amp with ON/OFF indication. | |
| Bus Bar arrangement | · Suitable for 3 phases with full capacity neutral, separate Neutral & Earthing bus bars. · R, Y, B colored heat shrinkable insulating sleeves · Bus bar joints with shrouds. · Main bus bars shall be located in separate independent air insulated enclosure and segregated from all other compartments of the cubicle. Direct access or accidental contact bus bars and primary connections shall not be possible. | |
| Material of Bus bar | Copper or Aluminium | |
| Maximum temperature of the bus bars, droppers and contacts at continuous current ratings under designed. ambient temperature | Temperature rise over the reference ambient of 45°C ove 45°C ambient temperature. | |
| Maximum ambient temperature inside each module under designed ambient temperature | 45 °C | |
| Spacing between phase to Phase to ground and phase to neutral | Clearances as per IS and minimum as below · Phase to Phase 40 mm · Phase to Earth 30 mm Minimum creep age distance 25 mm | |
| Earthing points | Two Nos. Earthing terminal for connecting earthing flat of size 50X6 mm GI shall be provided along with continuous GI/Al bus bar of size equivalent to 120sqmm. | |
| Constructional details | The panel shall be indoor dust , vermin , weather proof, metal clad, air insulated, Wall/Floor mounted, and modular construction fixed type cells with front & rear compartment of following rated Cells. Shrouds shall be provided for live parts connections. | |
| Mounting | Wall/Floor mounting and complete with mounting arrangement and hardware. | |
| Cable entry | Incoming and outgoing cable entry shall be provided from TOP/BOTTOM with Suitable gland plates, | |
| Locking arrangement | All doors locks are of panel key operated also Pad locking facility is required for power switches in ON and OFF position with provision of door interlock defeat. |
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