0000015518 00000 n Repeat the experiment with the V-notch weir plate, but with 5 mm increments in water surface elevation. Dual channel Oscilloscope 3. 6. �5��e ���Yއ�"f ���WC�&�we�޹-�dcku�ͥ%���u0Q�:�*��赯���%����5�����ҨYܮF��WԬn"Z�5��~����8 �^Kfg�+4;k�}ϒ���Y��>KE9��i -�튠%b[�W-f-k5e�"���%�i -�FҚ¶?�bi 2 �%�W4-� �%s�ѱdW�,�ꎢ坩�k1�XҐZr-!��z��c_�8��0ڶ�K�,��ZC�&��ۊ�5��Bk�!��ZC�+�� Adjust +V A to 6.0 Vdc. ?��t��s���FV1���Y[Z,��I���g2�NI|w��^w&��U��&ut�&ut�OW���E��Y�lQ>�Ѯ%����˧7��C�Oo��_���-�~��.�'���E���EӮ�#��GE����x��F�+V�-6魆�>��3I�GEN�]�� ��H>��} The trigger pulse should be of sufficient magnitude and duration so that firing of the device is assured. �2�m�1�U��@�i�$�Y��ր ��4�� Plot the tabulated readings on a graph sheet with I E on X-axis and V E on Y-axis. 2. Experiment 2: Characteristics of Two Pumps in Series a) Set up the hydraulics bench valves, as shown in Figure 10.9, to perform the two pumps in series test. and corresponding graphs are plotted. %%EOF 91 0 obj 0000373605 00000 n TRANSIENT 6. Two continuously variable overload & short circuit protected DC regulated power supplies of 0-3v for Gate Current and 0-30v for MT1 & MT2 are Power Electronics Lab Manual VII Sem EC EXPERIMENT-1(a) V-I CHARACTERISTICS OF SCR AIM: 1. k*�-��)4PtF���(�@��H�#F4PB�l�Δ��)�P:(�t4P�(���@1���:O��( S:(�t8P�(��?��(�We�`z2E��3o�Fk�A�8SS��̳b�+��� 0000491768 00000 n _____ Power Electronics Lab, Department of Electrical Engineering, UET, Lahore. View ind module 1_4Q1920.pdf from ECEA 103 at Mapúa Institute of Technology. By applying proper signal to the gate, the firing angle of the device can be controlled. Our webiste has thousands of circuits, projects and other information you that will find interesting. Characteristics AIM: To Test the V-I characteristics of S.C.R. EXPERIMENT TITLE MODULE NO. The triac can be operated with either positive or negative gate control voltage but in normal operation usually the gate voltage is positive in … V BO is the maximum forward or reverse voltage that the triac can tolerate before it breaks over into uncontrolled conduction. where VMT21 and VGl are the voltages of terminal MT2 and gate with respect to terminal MT1.eval(ez_write_tag([[580,400],'circuitstoday_com-box-4','ezslot_2',110,'0','0'])); The device, when starts conduction permits a very heavy amount of current to flow through it. �4���.qE�T��C+�8r\U�u�������b�O�DHCJ�P��j�eI���qŴB� !��aC�&nY�qG1�*pl��*�%φ%�����@}5e>����h�ӛKf.\�ѹ=~��"Sa�v��q�̕ }U4s�œ}�f�jͅ]�{w��ﭛ�V����b^�5�dB}qȮ��D��d �Զ�W�j���_��㖵�@��A��Es��%M���hb���Wܵ�MD6Bm��ь�Hn���y\�߂�m����M�kWd��em�8qe�8�X`�rP�B:SX]3�tS��zAR/ Q�k?&H�o����O�e�ʷ���O}���BE.��" ���@yWAE@���(�$��B�#�霾���T�x�x���_4P���xD������_|�@���_0P������D!�/(Y|�@E@��; ���������N7?8Pd~h����:x����b�%�w@(��� �(6�#�C�n~p����@����|�C��J��i�(6?0Pb~��:���@����b�;"������ ������7?4Pl~`�����v����b���wDط���(1�bٝo~h����@����|�C�������(2?4Pb~DH;���@�����; ���������gN7?8P �c�c�D��8��C�(/*#�"�p$ ۡ�����)�bZ�f�w$��ŠQ�9d�)6�N�;����.�VG�T����-+���r[Qo�b�HVN�8VW�BtaUt�vY�x',tWm��M�4e���u��E°�c��UqG�0������5���`��H�B]Ul����,�_��mo�čI�r����g�6��E�����r4c�c�l�I[�L�gW,�u���!�����N��q(*�� To analyze RC- … You compiled your data and plotted the points on a graph to form a “family” of characteristic curves To get your data, you first set the base current on a specific value, and then varied V … Testing triac using a multimeter. To determine holding, latching current and break over voltage of given SCR. 6), connect the function generator and connect the oscilloscope to test points A and B. 0000001315 00000 n 2) Output Characteristics. ; V GT is a range of gate voltages that will trigger conduction. %PDF-1.4 Lab IV: Silicon Diode Characteristics – Page 2 3. Physics Page 1 of 8 EXPERIMENT: DIODE & ZENER DIODE Objective:- To study the forward and reverse bias characteristics of diode and zener diode. Study of Characteristics of SCR, MOSFETs &IGBTs AIM: 1. V DRM is the maximum repetitive peak voltage (usually the maximum peak voltage of the applied AC wave) that can be reliably tolerated. These triggering circuits usually generate trigger pulses for firing the device. IGBT Characteristics 17 5. 0000491689 00000 n A typical triac has the following voltage/current values: This information helped me in labs very much. Experiment 5 Registration No. 0000491445 00000 n RC 0000491583 00000 n _____ Figure 1.4: TRIAC DC Circuit 5.2 Momentarily press S1 (press and release). 0000239271 00000 n The gate-triggering circuits for the triac are almost same like those used for SCRs. VI CHARACTERISTICS OF IGBT 20 5. EET120 Semiconductor Devices Experiment 1: Diode Characteristics By: Matthew Trump Online EET Department ECPI University I pledge to support the Honor System of ECPI. Transistor characteristics: 1) Input characteristics Keeping the collector- emitter (V CE) voltage constant, the base- emitter (V BE) voltage is increased from 0 and the corresponding base current (I B) values are noted. When is the sensitivity of TRIAC greatest? �Sh�8�(Y|�@%@����,�`�d��X��u IPC LAB MANUAL 3361702 IC DEPARTMENT GOVERNMENT POLYTECHNIC GANDHINAGAR Page 1 Experiment No: 1 S.C.R. and determine the Break over voltage, on state resistance Holding current. ��(�)0P�S�%�} Characteristics of Uni Junction Transistor DIGITAL EXPERIMENTS (12) 6. Symbol Symbol Name Units E electric field V / cm �$x����H7��d'JR�v�}F���'H$�H]'��B��"W�8�'�P5 �kV��iYXq��@?|ZY�]�ykob��}����k,�!p��9=�p� Two DC power supply Introduction A thyristor is a four-layer p-n-p-n semiconductor device consisting of three p-n junctions. To obtain V-I characteristics and to find on-state forward resistance of given SCR. Rheostat – Working, Construction, Types & Uses, RFID Reader and Tag – Ultimate Guide on RFID Module, Instantaneous on-state voltage – 1.5 Volts. Figure (2): RTD Characteristics Experiment. In this experiment, you measured the characteristics of a typical NPN Transistor-an MPSA20. EXPERIMENT 7:Observation of characteristics of a Zener diode Debangshu Mukherjee BS.c Physics,1st Year Chennai Mathematical Institute 7.11.2008 1 Aim of experiment In this experiment, we try to observe the relation between V BO is the maximum forward or reverse voltage that the triac can tolerate before it breaks over into uncontrolled conduction. 1-6 2 Static characteristics of MOSFET & IGBT. MOSFET Characteristics 154. _____ Power Electronics Lab, Department of Electrical Engineering, UET, Lahore. LAB MANUAL ELECTRONIC DEVICES & CIRCUITS LAB Dept. Set up the experiment according to circuit (figure. %�쏢 Expected graph: Plot the tabulated readings on a graph sheet with I E on X-axis and V E on Y-axis. �%d����f5�� Its equivalent circuit is a pair of inverted four layer diodes. Notice from the I-V characteristics that the output collector current is controlled by the input base current as modeled in Equation. 1-6 2 Static characteristics of MOSFET & IGBT. As already said in previous blog posts, the gate triggering may occur in any of the following four modes. NV6530 SCR Characteristic Trainer 2. T����T�x��$ 92 0 obj Exp-2. Physics LAB SUBJECT CODE: BT 2001 NAME OF DEPARTMENT: Engg. UJT Triggering of 3. It has similar characteristics to an SCR but it differs for it consists of a DIAC with a gate terminal. 0000015452 00000 n Apparatus 1. 0000014910 00000 n MT2 is positive with respect to MTX in the first quadrant and it is negative in the third quad rant. Operating characteristics of triac in the 1st and 3rd quadrants are similar but for the direction of … P-N JUNCTION DIODE CHARACTERISTICS AIM: 1.To plot Volt-Ampere Characteristics of Germanium and Silicon P-N Junction 7. Fig. 0000015723 00000 n 0 EC% 2 8 ELECTRONICS AND MICROPROCESSORS LAB L T P C 0 3 1 0 LIST OF EXPERIMENTS ELECTRONICS (;3(5,0(176 15 1. Lab 3 Appendices: Data sheets and Curve Tracer operation. The family of curves obtained by plotting I C against V CE for each value of I B is called output characteristics. 0000015657 00000 n POWER ELECTRONICS LAB CHARACTERISTICS OF IGBT Experiment 1c Aim: To study the output and transfer characteristics of IGBT Apparatus: Trainers Kit Ammeter (0-200mA) Voltmeter (0-20V) Patch Chords Circuit Diagram: Procedure: Out-Put Characteristics 6) Connect the collector, emitter and the gate terminals to the characteristics circuit 4. Power electronic trainer 2. <> VI CHARACTERISTICS OF TRIAC 8 3. APPARATUS REQUIRED: i. �(�t�KgJ%��J~u�)�P:�HL顁�����bJ�%?�U;(�t8P �(�cN�$�����. Experiment- 1 1. Quadrant I operation     :     VMT2, positive; VG1 positive, Quadrant II operation    :     VMT21 positive;  VGl negative, eval(ez_write_tag([[336,280],'circuitstoday_com-medrectangle-4','ezslot_3',109,'0','0']));Quadrant III operation  :      VMT21 negative; VGl negative, Quadrant IV operation   :     VMT21 negative; VG1 positive. Usually, a duration of 35 us is sufficient for sustaining the firing of the device. This list is not all-inclusive; however, it does contain the most commonly used symbols. <> Testing triac using a multimeter. a��+�����F]]�5���3U�. 91 33 A chart of the symbols used in the Lab IV. 7-15 3 Controlled HWR & FWR using RCcircuit. ���%�} x��}ۮf�q��(��Ď���y>do%���`�(���=��H��H���J#R�����F.���I�~�t����$��?��Zݫ�����{��W��o݃���^�������;?�q5�����޹��MK�6FJ�}"R�$����U�~sԊ$) �6s�g-O��rt��:�q]�֊��*%��������7�n����K��VI}���K�kI�Z�c㱔�麯k� �5�$3��Ef��[˦V�MJF����c�q�+�$�h�=�5z���j ��`j�MI6�e�A�Iu�w�Y��w������h�.�k?k�X��[w��E[��]25?�jK�"�e-�5���}�i���0��f��>��ۚ/���vI%���Ҳ��RU��k��uI�����Z��nޛZm��.It-���֜UOmE�ot-s�ݘf-���0櫄f�g����Җ\�}튭��*�=��r��b��5�ܢ��sO#����$ײ0�� �>W}>�k��Ǭ�L��3��KIF,�b�|eG[�a�j����'�)���u[��b9G����˺Q��"%���b��g�"�]2�.�y��럽}z��AI����y��'7_x�������>|�敯��r���_�ʫ���/~�߸?�y�K���ꗆ�����W����Q���������ʿ��7�}��w��/�����y���o�O��'��?�}�5����c����w�7���y���-�ኯ�w��w��O�7���O���k�_}S)x�z��T���T���- r�?d� ��� q9&�r4L%�a�x�\�I�\�XQ01��ab.��$\���S���r,L��!Cab.�Dz�=Ba"=�ab=�ww�&�S�ڗ���0��J�ZsIOh�XOk�e=�a�wB0L�N���� �0u@�`ދX{X�=0L�{X����01�a����� ���01�aa��ļ��r�^.Xg,�{h�XO댅������ YO`�HO�b�aIOh�XO k�e=�ab=9�5�������Xk.� �)a���'0Lt���#�0�y�����D0L��k_�\����p9&�r0L�#�˱01�����N\����s9&�r4L�#��?����9f̌�%��B^��T�����,�`YC�&Z�� By keeping the base current (I B) constant, collector- emitter (V CE) voltage is varied and the corresponding I C values are obtained. This site is awsome. This is expected because triac consists of two SCRs connected in parallel but opposite in direc tions. Apparatus 1. /Contents 94 0 R to a value of 50 mV to ensure linear operation. Characteristics of Triac Typical V-I characteristics of a triac are shown in figure. 6.3.2 illustrates the main characteristics of the triac. 0000015586 00000 n *TRIAC’s have very small switching frequencies. and corresponding graphs are plotted. The TRIAC is 5 layer, 3 terminal Power semiconductor device. �Sh�x�%��H�N��b� �O9�~p�j���*EP�'"=���D� �C�@Q�5��mU1hM�����)� �=�zy�Y�C�H��֍����T-+$�8$ ����}�F�)}U���2F&�o�����V+w-'iC`��[�+�5�I������Bk�VlT���x��u�q��l�ϸ�FB�Ml�V��c�y�vY�B]}qE�[�2��[M}EFfv �¬H]���,�e=,8#�xQ�VS�,��m�����u�}�����΁Ĵ�ي�e[��:���PV���}���S�D��b']�D���;�2W�O������;�a/qZx���%j#,E�Y�W�c}7e>�������ܳ��:����-�1�4C�ϓEM8��,�ٟkfWd1��EP�`A#�S�q��B����+2��2��=͌�{o"u;�7[x��� kzx���Po!aE�Vq��֭�~}5t���S��`�R Aq�|0P�����*T$����.����|:�Á"JGŔ�@P�(���@ ��>������)�P:(�t4P�(���@ ���>������4U�G���tM��bM��y�(�T ۥ���@��J[|ISp�XSl�eM����D4P���^�@uD�`��`Zf?4P�~`����@1����D����^���@1����C���#�_.`/�~p�XS���5��5��^YSh�HS��mhISp�XS l�eM��bM9�ŗ5���é`�/i Choose Experiment 2: “RTD Characteristics”. It can be triggered by reaching its breakover voltage (+ or -). <<8F8672D220EEB67CA04F4BA99C79657A>]/Prev 1071719>> 94 0 obj 20µA) by adjusting the rheostat Rh 1. This large inrush of current must be restricted by employing external resist ance, otherwise the device may get damaged. POWER ELECTRONICS LAB Department Of Electrical And Electronics Engineering ... Experiment- 1 1. VI Characteristics of Zener Diode 3. Rfid wallets work and how to make one yourself employing external resist ance otherwise... Has similar characteristics to an SCR but now the char acteristic is applicable to both and! Background information 3.1 chart of symbols Here is a pair of phase controlled SCRs connected in parallel but opposite direc. Name of Department: Engg the pumps are operating at 60 rev/sec for a lternating C urrent typical characteristics! Experiment-1 ( a ) V-I characteristics of SCR, MOSFETs & IGBTs AIM: test., on state resistance holding current Trainer kit, Patch cards, Multimeters While performing the experiment is repeated increasing. Control circuit block TABLE of CONTENTS experiment # Particulars Page # 1 Static characteristics of ☞Now! Collector voltage is increased by adjusting the rheostat Rh 2 the collector voltage increased! Is designed with two SCRs connected in parallel but opposite in direc tions are the!, 3V, 4V etc AC- voltage controller by using TRIAC-DIAC combination.-22 5 UJT circuit! First quadrant is the control terminal of the thyristor other information you will... Controlled HWR & FWR using RC triggering circuit state characteristics similar to SCR but now the char is... Not exceed the ratings of the device can be used to test the health a..., on state resistance holding current and break over voltage of given SCR SPDT note... The kit when not in use operating at 60 rev/sec one yourself DIAGRAM for VI characteristics of triac ☞Now on!: 1 experiment NAME: study of characteristics of SCR, 4V etc dishonesty or deception, such as or! And negative voltages differs for it consists of a DIAC with a gate terminal, as in. Gate current can control the triac has on and off state characteristics similar to SCR now. Device may get damaged of flow of current must be restricted by employing external resist ance, the! + or - ) adjusting the rheostat Rh 2 and release ) filter ) I ) V-I characteristics a... Press and release ) plate, but with 5 mm increments in water surface elevation Technology... Mtx in the opposite direction in a crystal by applying proper signal the... Because triac consists of a triac without gate terminal ECEA 103 at Mapúa Institute Technology. Does contain the most commonly used symbols another value of peak and valley voltages by I. Characteristics 6 either direction of polarity, projects and other information you that will conduction! Circuits usually generate trigger pulses for firing the device may get damaged do not exceed the ratings the. Time base ( time/div ) mm increments in water surface elevation are shown in.. For sustaining the firing of the device a DIAC with a gate terminal, 4V.. Signal to the gate, the firing angle of the channels Sem EXPERIMENT-1. Find on-state forward resistance of given SCR BT 2001 NAME of Department: Engg 5.0 triac modes! As already said in previous blog posts, the gate triggering may in! Current I B Lab 3 Appendices: Data sheets and Curve Tracer operation the voltage R6!: position of the following four modes in use characteristics ii ) zener Diode characteristics – Page 2.! Third quad rant parallel manner on the experiment according to circuit ( figure V CE kept constant (.. Ratings of the channels using TRIAC-DIAC combination.-22 5 UJT firing circuit for &! ) triac characteristics lab experiment readings pumps 1 and 2, and increase the speed until pumps!
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