Answer Posted / naseem ahmed

PLC: PLC is a Micro Processor based Electronic Device which is used to control certain process according to predefined programs which are saved in the PLC. These programs can be change or modified as per the requirement.

SCADA: as its name Implies Supervisory Control and Data acquisition, is used for monitoring and controlling of Processes which displayed graphically. Through SCADA we can do just small changes during the execution of process ( e.g, we can change only value of variables). Also it gives feature like storing, and can communicate to other servers.
Here programming is done in Scripting language.

Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2741

---

A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.

1050

---

what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

18425

---

what are the advantages and disadvantages of oil filled cables over XLPE cables

19464

---

1sq mm dc powr cable can carry how much dc currnt

2033

---

why does connected a indutor with mnsformeretering core of current transformer ?

2119

---

How many types of losses occur in a transformer?

1133

---

How vfd saving power.

2010

---

how many safety really of DG sets.

2203

---

how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

2066

---

Define de-sensitivity?

1114

---

please send 5yearje solved papers on my email himmatsinghnathawat@gmail.com

1899

---

Why is a synchronous motor always star connected??

2582

---

Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

1813

---

Briefing the effects of ASR and ACR of a double closed-loop speed regulating system.

2230

---