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DC motors. - ppt download

DC motors. - ppt download : DC Motors Windings exist on stator and rotor. Stator has field winding and is excited by DC current. Rotor windings are excited through commutator and brush set. Frequent maintenance is required due to commutator and brush. The earliest electric machine. The easiest ele…

Chapter 4 Synchronous Generators Part II - ppt video online download

Chapter 4 Synchronous Generators Part II - ppt video online download : Exciter Systems for Large Generators Two Approaches Slip ring and brushes Similar to those discussed for DC machines they produ…

Peak Value, Average Value and RMS Value

Peak Value Definition:  The maximum value attained by an alternating quantity during one cycle is called its P eak value . It is also known as the maximum value or amplitude or crest value. The sin…

Synchronous Machine notes

Synchronous Machine  constitutes of both synchronous motors as well as synchronous generators. An AC system has some advantages over DC system. Therefore, the AC system is exclusively used for gene…

Basic Concepts Of Electricity

Static Electricity Chapter 1 - Basic Concepts Of Electricity  PDF Version It was discovered centuries ago that certain types of materials would mysteriously attract one another after being rubbed t…

TENGENEZA ALAMU KWA ULINZI NI RAHISI

Here is simple simple  circuit diagram  for  home security  alarm system based on LDR (Light Dependent Resistor) like in figure 1 below. This circuit has been publishing by Jaseem Vp in Circuit Galle…

WIRING ZA UMEME WA MAJUMBANI

Habari za wakati mpendwa msomaji! tunatumaini umzima wa afya na unaendelea na majukumu yako ya kila siku. Katika ujenzi kila kazi/kitu kina muda wake mfano huwezi peleka mabati kwenye eneo una…
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