what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)
12 182231what is the working principle of energy saver control panel. please give the complete calculation & theory.
1574When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<
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we are using order related billing and billing get generated automaticaly in overnight run.As my q is user has cancel the biliiing document after creating that one.but after cancelation no cancel accounting document get generated.so sales order remain closed and no billing document get generate in overnight run.but when user has created the Credit memo order with respect to cancel billing document the respective sales order get open and billing document get generate in overnight run.so can you please tell me hwo the system come to knoe after rasing the credit meno order that billing document has cancled and sales order has open so the billing document will be craete.please help me regarding thsi query.
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