Rectification
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RECTIFICATION. X-RAY CIRCUIT. Whenever the art of medicine is loved, there is also love for humanity. Hippocrates. RECTIFICATION. PROCESS BY WHICH ALTERNATING CURRENT IS CHANGED TO PULSATING DIRECT CURRENT. A/C GENERATOR A/C CURRENT 1 PHASE. A/C ( UNRECTIFIED)- FREQUENCY 60 Hz.

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RECTIFICATION

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Rectification

RECTIFICATION


X ray circuit

X-RAY CIRCUIT


Whenever the art of medicine is loved there is also love for humanity hippocrates

Whenever the art of medicine is loved, there is also love for humanity.Hippocrates


Rectification1

RECTIFICATION

PROCESS BY WHICH ALTERNATING CURRENT IS CHANGED TO PULSATING DIRECT CURRENT


A c generator a c current 1 phase

A/C GENERATOR A/C CURRENT1 PHASE

A/C ( UNRECTIFIED)- FREQUENCY 60 Hz


Rectification

60 POSITIVE PULSES/SEC

60 NEGATIVE PULSES/SEC


Rectification

60 POSITIVE

PULSES

60 NEGATIVE

PULSES

120 PULSES

60 FULL CYCLES


D c generator d c pulsating current

D/C GENERATOR D/C PULSATING CURRENT


Pulsating d c vs a c how an electric generator works

Pulsating D/C vs A/CHow an Electric Generator Works


Battery current output

BATTERY – CURRENT OUTPUT

STEADY D/C


A c vs steady d c rectification

A/C vs Steady D/Crectification


D c half wave rectified

D/C HALF WAVE RECTIFIED

D/C HALF-WAVE – 60 POSITIVE PULSES/SEC

NEGATIVE PULSES ARE SUPPRESSED

1 PULSE/CYCLE


D c full wave rectified

D/C FULL WAVE RECTIFIED

D/C HALF-WAVE – 120 POSITIVE PULSES/SEC

2 PULSES/CYCLE


Three phase power

THREE PHASE POWER

http://www.shermanlab.com/xmwang/javappl/acMotor1.html


D c 3 phase 6 pulse current

D/C -3 PHASE 6 PULSE CURRENT

D/C 3 PHASE 6 PULSE – 6 PULSES/CYCLE


D c 3 phase 12 pulse

D/C - 3 PHASE 12 PULSE

D/C 3 PHASE 12 PULSE – 12 PULSES/CYCLE


Diodes or valve tubes help rectify a c current

DIODES OR VALVE TUBES HELP RECTIFY A/C CURRENT

ELECTRONS

DIODE

VALVE TUBE


Valve tube

VALVE TUBE


Diode

DIODE


X ray tube forward bias

X-RAY TUBE FORWARD BIAS


Reverse bias

REVERSE BIAS

+

-

NO

X-RAY


Forward vs reverse

FORWARD vs REVERSE


Rectification types

RECTIFICATION TYPES

  • HALF-WAVE

  • FULL WAVE

  • THREE PHASE SIX PULSE

  • THREE PHASE TWELVE PULSE

  • HIGH FREQUENCY SINGLE PHASE


Rectification i phase

RECTIFICATION – I PHASE

NO RECTIFICATION

HALF-WAVE

FULL-WAVE


Three phase power1

THREE PHASE POWER

http://www.shermanlab.com/xmwang/javappl/acMotor1.html


3 phase rectification

3 PHASE RECTIFICATION


3 phase rectification1

3 PHASE RECTIFICATION


High frequency rectification

HIGH FREQUENCY RECTIFICATION


Half wave rectification

HALF-WAVE RECTIFICATION


Half wave rectification1

HALF-WAVE RECTIFICATION


Full wave rectification

FULL-WAVE RECTIFICATION


Full wave rectification1

FULL-WAVE RECTIFICATION


Full wave rectification2

FULL-WAVE RECTIFICATION


3 phase 6 pulse

3 PHASE 6 PULSE


3 phase 12 pulse

3 PHASE 12 PULSE


High frequency

HIGH FREQUENCY


Ripple

RIPPLE


Voltage ripple

VOLTAGE RIPPLE

  • HALF WAVE------------------- 100%

  • FULL WAVE ------------------ 100%

  • 3 PHASE 6 PULSE ----------- 13%

  • 3 PHASE 12 PULSE ---------- 4%

  • HIGH FREQUENCY ---------- <1%


Ripple1

RIPPLE

200%

100%

100%


Ripple 3 phase

RIPPLE-3 PHASE

13%


Ripple high frequency

RIPPLE-HIGH FREQUENCY

<1%


Home made x ray apparatus

Home-made x-ray apparatus


Checking failure of rectification system

CHECKING FAILURE OF RECTIFICATION SYSTEM

  • SPINNING TOP TEST – 1 PHASE EQUIPMENT

  • SYNCHRONOUS SPINNING TOP TEST-

    3 PHASE WITH LONGER EXPOSURE TIMES

  • OSCILLOSCOPE- 3 PHASE EQUIPMENT WITH SHORT EXPOSURE TIMES


Spinning top test

SPINNING TOP TEST


Result of spinning top test 1 phase dashes

RESULT OF SPINNING TOP TEST- 1 PHASE - DASHES


Half wave rectification2

HALF- WAVE RECTIFICATION

# OF DASHES = TIME (SEC) x 60 PULSES


Full wave rectification3

FULL- WAVE RECTIFICATION

# OF DASHES = TIME (SEC) x 120 PULSES


Result of synchronous spinning top test 3phase arc

RESULT OF SYNCHRONOUS SPINNING TOP TEST-3PHASEARC


3 phase rectification longer exposure time

3 PHASE RECTIFICATION-LONGER EXPOSURE TIME

DEG. OF ARC = 360°/ sec x TIME (sec)


Utilizing oscilloscope

UTILIZING OSCILLOSCOPE


Utilizing oscilloscope rectified system

UTILIZING OSCILLOSCOPERECTIFIED SYSTEM


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