Answer / guest

according to the equation N α V-Ia*Ra as load increases
armature current Ia increases hence voltage drop therefore the
speed.

In 3 phase induction motor even with low Voltage it reaches nearly it's rated speed why? (for example instead of 400V it reaches with 250V)

2 Answers  

---

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1 Answers  

---

WHAT AC (HI VOLTAGE TEST) VOLTAGE SHOULD APPLY FOR 33KV CABLES.EXPLAIN IN DETAIL

12 Answers   NTPC, Voltech,

---

What Happen When output Short of transformer

2 Answers   L&T, Saber Corporation,

---

How to convert 2 phase to 3 phase electricpower in induction moter?

1 Answers   HCL,

---

what reactive how to maintain

1 Answers  

---

Why secondary of a CT in a power system acts as an open circuit after core saturation?

2 Answers  

---

how to select the power contactor in Diffrent AC motors.

6 Answers   Titan,

---

what is the permissible bend in the LT& HT CABLES.

2 Answers  

---

Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 Answers  

---

power is the product of voltage and current.so we can measure the value of power just by using ammeter and voltmeter.......then why do we use a wattmeter?

5 Answers  

---

What are the main parts of VCB?

12 Answers  

---