Answer / benedict

MCC Means Motor control center,PDB Means Power Distribution Board.

Answer / j.karthik(cce)

MCC:
The MCC means Motor control center. in this MCC
connects the Motors.

PDB:
The PDB means Power distribution board. In this PDB
connects only the feeders(power supply feeders)... i.e the
distribution board means to distribute the powers only...

Answer / bhatt

MCC is motor control centre hence it must have back-up fuse
or back-up MCCB/MCB and starter whereas PDB is Pwer DB
which generally feed lighting and normal power load.

Is it required to use 2 nos of body earthings to any machine though if we use TP with E supply is provided to Machine?

2 Answers   HAL,

---

why need of ac exietation in alternater.

2 Answers  

---

how to test power transformer.YNd11

0 Answers  

---

how rating of transformer is selected for any new plant/what kind of load is cosidered/what kind of fadtors are considered/ pz give standard procedure

2 Answers  

---

If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

---

---

why we increase the small speed of turbine when alternator just synchronized to grid in steam power plant

2 Answers   PSEB,

---

IC 741 is opampIC..moreover AND OR NOT ICs also have '74' in them.. why is that number specifically used?

1 Answers  

---

Sir, plz tell me the relation b/w KW and frequency in Variable frequency Drive?

2 Answers  

---

when we connect the capacitor banks in series with the circuit?

3 Answers   Cipla,

---

what is the function of commutator in dc motor?

10 Answers   CTS,

---

Explain Analog and Digital signals?

1 Answers   UOG,

---

when the size of the cable used for the ht voltage is 300sqmm then what is the size of the conductor of each phase

2 Answers  

---