KRA-98 GM electrician, electronics, electric drive laboratory complete sets of equipment (with DC motor experimental)
The equipment is in the "general electrician, electronics, electric drive laboratory complete sets of equipment" on the basis of an increase of DC motor conditioning links, such as DC motor experiment, in addition to complete all of the former contents of the experiment, to complete the basis of the curriculum requirements DC Machine experiment. Electrical equipment to the school, electrical principles, electronics, electric drive control circuit, the DC motor experiment organically into one, greatly improving the management level, a saving of funds, managers, thereby reducing the teacher-testing work. The device is the upgrading of the existing laboratory equipment or newly built, expanded, the ideal laboratory products. It's equipped with everything in place so that the school is on the level, grade A an important indicator.
● test-bed structure:
1, test-bed shell size: 1230 × 350 × 200mm
2, three-phase insurance Block
3, 3-phase power input indicators
4, master switch: The Taiwan Power master switch, with leakage Overload Protection
5, Test button: Test leakage switch leakage protection
6, power input instructions one
7, power output instructions three (red, green, yellow color)
8, AC voltage table: instructions output voltage line
9, voltage switch: the combined use of the voltage meter, the supervisor showed output voltage line size and symmetrical situation
10, wiring Block 5: A three-phase four-unit output and ground wire
11, ammeter: W output phase current instructions
12, 4 sockets: A four-unit three-phase power supply output
13, wiring Block 2: B exchange low-voltage power supply unit output
14, and electricity meters (2A): B cell current exchange instructions
15, knobs: B Release 3 ~ 24 V output voltage choice
16, Switches: C modules dual DC voltage regulator power switch
17, knobs: C modules dual Road steady flow regulating I
18, knobs: C Road regulator modules dual regulation I
19, wiring Block 2: C unit I Road output DC voltage regulator
20, insurance Block: C dual voltage regulator power supply modules insurance
21, meters, 4: dual power supply voltage, current instructions
22, wiring Block: D unit too DC 5 V output steady
23, and electricity meters: D unit output current of 0.5 A instructions
24, switch 1: control of the low-voltage alternating current, signal source
25, switch 2: E unit control AC-DC Power Surge
26, and electricity meters: E unit AC voltage output instructions
27, wiring Block 4: E unit exchanges, DC output
28, knobs: E unit 0 ~ 240 V voltage regulator
29, socket: G Unit 220 V output sockets
30, knobs: audio power amplifier volume adjustment
31, wiring Block 2: audio signal input
32, the button: use of a single pulse switch
33, wiring Block 3: single pulse output
34, meters: sine wave function generator output voltage instructions
35, knobs: sine wave output attenuation rate of coarse-3
36, knobs: sine wave output range to fine-tune
37, wiring Block: sine wave output
38, knobs: rectangular wave output rate regulation
39, wiring Block: triangular wave output
40, knobs: function to fine-tune the frequency signal generator
41, wiring Block: rectangular wave output
42, knobs: function signal generator frequency rough-5
43, and electricity meters: Function Generator output frequency instructions
44, Multimeter: 500
45, experimental desktop size: 1600 × 700mm
46 GM board: specifications: 350 × 900mm, components on the box, in its fight interpolation arbitrary combinations experiment
47, storage plate: placing components Box
● test-bed main technical indicators:
First, input power: three-phase four -
Second, the output power and signal:
● test-bed structure:
1, test-bed shell size: 1230 × 350 × 200mm
2, three-phase insurance Block
3, 3-phase power input indicators
4, master switch: The Taiwan Power master switch, with leakage Overload Protection
5, Test button: Test leakage switch leakage protection
6, power input instructions one
7, power output instructions three (red, green, yellow color)
8, AC voltage table: instructions output voltage line
9, voltage switch: the combined use of the voltage meter, the supervisor showed output voltage line size and symmetrical situation
10, wiring Block 5: A three-phase four-unit output and ground wire
11, ammeter: W output phase current instructions
12, 4 sockets: A four-unit three-phase power supply output
13, wiring Block 2: B exchange low-voltage power supply unit output
14, and electricity meters (2A): B cell current exchange instructions
15, knobs: B Release 3 ~ 24 V output voltage choice
16, Switches: C modules dual DC voltage regulator power switch
17, knobs: C modules dual Road steady flow regulating I
18, knobs: C Road regulator modules dual regulation I
19, wiring Block 2: C unit I Road output DC voltage regulator
20, insurance Block: C dual voltage regulator power supply modules insurance
21, meters, 4: dual power supply voltage, current instructions
22, wiring Block: D unit too DC 5 V output steady
23, and electricity meters: D unit output current of 0.5 A instructions
24, switch 1: control of the low-voltage alternating current, signal source
25, switch 2: E unit control AC-DC Power Surge
26, and electricity meters: E unit AC voltage output instructions
27, wiring Block 4: E unit exchanges, DC output
28, knobs: E unit 0 ~ 240 V voltage regulator
29, socket: G Unit 220 V output sockets
30, knobs: audio power amplifier volume adjustment
31, wiring Block 2: audio signal input
32, the button: use of a single pulse switch
33, wiring Block 3: single pulse output
34, meters: sine wave function generator output voltage instructions
35, knobs: sine wave output attenuation rate of coarse-3
36, knobs: sine wave output range to fine-tune
37, wiring Block: sine wave output
38, knobs: rectangular wave output rate regulation
39, wiring Block: triangular wave output
40, knobs: function to fine-tune the frequency signal generator
41, wiring Block: rectangular wave output
42, knobs: function signal generator frequency rough-5
43, and electricity meters: Function Generator output frequency instructions
44, Multimeter: 500
45, experimental desktop size: 1600 × 700mm
46 GM board: specifications: 350 × 900mm, components on the box, in its fight interpolation arbitrary combinations experiment
47, storage plate: placing components Box
● test-bed main technical indicators:
First, input power: three-phase four -
Second, the output power and signal:
1, A unit: three-phase four -
2, B modules: exchange 3,6,9,12,15,18,24 V
3, C modules: dual steady flow regulator power supply (with overload and short circuit protection), 2P output voltage that is 0 to 30 V, by the multi-turn potentiometer for conditioning, maximum current output for 2A.
4, D unit: DC regulator 5A, current 0.5 A
5, E modules: AC-DC voltage of 0 ~ 240 V continuous adjustable current 2A
6, F modules: 220 V voltage outputs for external equipment use
Third, single-pulse sources: two independent single-pulse sources, each one pair of each output can be positive and negative pulse
4. Function signal generator: (sine, triangle wave, rectangular wave)
1, the frequency range:
5 Hz - 550KHz divided into five bands
2, the frequency of instruction: directly from the table to read out Hz
3, the output voltage range: sine wave: 5 Hz - 250KHz> 4.5V, 250KHz - 550KHz> 3.5V
Three attenuation: 0 db, 20db, 40db with continuous fine-tune
Rectangular wave: 5 Hz - 250KHz> 4.5V, 250KHz - 550KHz> 3.5V,
Continuous adjustable rate
Triangular wave: 5 Hz - 550KHz> 1V
5, audio power amplifier: audio input voltage of not less than 10 mV output power of not less than 1 W, adjustable volume, with speakers for amplification circuit PA, but also can be used for signal tracing equipment use.
6, insulation resistance:> 5M Ω
7. Leakage protection: leakage current 30 mV moves
● complete sets of equipment: (24)
A student experiment stations:
"Universal Electronic Laboratory equipment" increase speed links, Ia, If instructions links. With 12 students experiment tables, a two, and its dimensions: 1600 × 700 × 800mm. 12 students test-bed. The experimental configuration tables common circuit board (350 × 900mm), the circuit under test in its fight inserted above arbitrary composition experiment circuit components boxes. Components box transparent intuitive box, the contents components can be clearly seen lid bearing components symbols. Each table is equipped with a piece of rubber plates, circuit boards and the general protection of the desktop. Taiwan is the lower part of table storage device counters, placed experimental components.
Second, teachers teaching stations: 1 Taiwan teaching tables, one Taiwan test-bed, control 12 students were tables of power. GM board legislation in the experimental demonstration of the stage screen measuring 15 × 700mm, used on the demo.
2, B modules: exchange 3,6,9,12,15,18,24 V
3, C modules: dual steady flow regulator power supply (with overload and short circuit protection), 2P output voltage that is 0 to 30 V, by the multi-turn potentiometer for conditioning, maximum current output for 2A.
4, D unit: DC regulator 5A, current 0.5 A
5, E modules: AC-DC voltage of 0 ~ 240 V continuous adjustable current 2A
6, F modules: 220 V voltage outputs for external equipment use
Third, single-pulse sources: two independent single-pulse sources, each one pair of each output can be positive and negative pulse
4. Function signal generator: (sine, triangle wave, rectangular wave)
1, the frequency range:
5 Hz - 550KHz divided into five bands
2, the frequency of instruction: directly from the table to read out Hz
3, the output voltage range: sine wave: 5 Hz - 250KHz> 4.5V, 250KHz - 550KHz> 3.5V
Three attenuation: 0 db, 20db, 40db with continuous fine-tune
Rectangular wave: 5 Hz - 250KHz> 4.5V, 250KHz - 550KHz> 3.5V,
Continuous adjustable rate
Triangular wave: 5 Hz - 550KHz> 1V
5, audio power amplifier: audio input voltage of not less than 10 mV output power of not less than 1 W, adjustable volume, with speakers for amplification circuit PA, but also can be used for signal tracing equipment use.
6, insulation resistance:> 5M Ω
7. Leakage protection: leakage current 30 mV moves
● complete sets of equipment: (24)
A student experiment stations:
"Universal Electronic Laboratory equipment" increase speed links, Ia, If instructions links. With 12 students experiment tables, a two, and its dimensions: 1600 × 700 × 800mm. 12 students test-bed. The experimental configuration tables common circuit board (350 × 900mm), the circuit under test in its fight inserted above arbitrary composition experiment circuit components boxes. Components box transparent intuitive box, the contents components can be clearly seen lid bearing components symbols. Each table is equipped with a piece of rubber plates, circuit boards and the general protection of the desktop. Taiwan is the lower part of table storage device counters, placed experimental components.
Second, teachers teaching stations: 1 Taiwan teaching tables, one Taiwan test-bed, control 12 students were tables of power. GM board legislation in the experimental demonstration of the stage screen measuring 15 × 700mm, used on the demo.
Third, the equipment with:
26 units three-phase 180 W motor, 13 DC motor 200 W, 13 motor storage cabinet (on the students table 1), 26 hours relays, 26 thermal relays, 78 exchanges and contacts, 156 TAC DC Table , 13 MF-500 Multimeter, 39 beacons at 42 trip switch, 78 control buttons, 13 inverted-switch, 26 transformers, 13 three-phase two-vote switch, 13 three-phase switching, 13 sets of stripping wire pliers and top pair of pliers, screwdrivers and other tools, 13 sets of experiments necessary resistance, potentiometer, inductance coils, diodes, transistors, field effect transistor, the integrated circuit, integrated Block, SCR, logic level switching and logic Level instructions sensor pieces, and so on component modules box (component has been installed in the unit placed inside the box).
Fourth, since the allocation of equipment users
1, transistors millivolt Table 2, Power Table 3, Oscilloscope
● experimental projects:
SHANGHAI KERONG TEACHING APPARATUS CO.,LTD
English Tel: +86.21-56301098 Fax: +86.21-66613899
QQ: MSN:shkr123@hotmail.com
Website: www.shkr.com Email: kerong@shkr.com
26 units three-phase 180 W motor, 13 DC motor 200 W, 13 motor storage cabinet (on the students table 1), 26 hours relays, 26 thermal relays, 78 exchanges and contacts, 156 TAC DC Table , 13 MF-500 Multimeter, 39 beacons at 42 trip switch, 78 control buttons, 13 inverted-switch, 26 transformers, 13 three-phase two-vote switch, 13 three-phase switching, 13 sets of stripping wire pliers and top pair of pliers, screwdrivers and other tools, 13 sets of experiments necessary resistance, potentiometer, inductance coils, diodes, transistors, field effect transistor, the integrated circuit, integrated Block, SCR, logic level switching and logic Level instructions sensor pieces, and so on component modules box (component has been installed in the unit placed inside the box).
Fourth, since the allocation of equipment users
1, transistors millivolt Table 2, Power Table 3, Oscilloscope
● experimental projects:
※ electrician experimental projects:
1, the use of Electrical Measurement Instrument
2, used the identification and detection devices
3, linear and nonlinear components of components voltammetry
4, the characteristics of the power supply
5, the potential value of the voltage value of
6, ammeter, and the expansion-Voltage Meter
7, Kirchhoff's law certification
8, holes mortem levy Lenz's Law
9, the principle of superposition and certification reciprocity theorem
10, Norton theorem Thevenin's theorem and the post-mortem levy
11, voltage and current source of the equivalent transformation
12, controlled source of research
13, a band circuit experiment
14, the Second Circuit transition process
15, Research LC components in the DC Circuit and the exchange of
16, was negative for the maximum power of the conditions 17, the measurement circuit parameters exchange
18, sine exchange RLC components in the circuit characteristics
19, RL and RC series circuit experiment
2 O, RLC series resonant circuit
21, fluorescent circuit connections and power factor improvement
22, the star of the load, 1.30 Next Act
23, the three-phase circuit and power measurement
24, RC network of selected frequency
25, the Swiss population research network
26, single-phase transformer experiment
27, mutual inductance circuit experiment
28, the use of three-phase asynchronous motors with starter
29, 3-phase motor control relay contact with the basic circuit
30, a three-phase motor Y △ Starting Control Experiment
31, the order of three-phase motor control experiment
32, three-phase motors can rake Brake Control Experiment
Use of these 32 experiments can be completed the following components circuit experiment
1, the use of Electrical Measurement Instrument
2, used the identification and detection devices
3, linear and nonlinear components of components voltammetry
4, the characteristics of the power supply
5, the potential value of the voltage value of
6, ammeter, and the expansion-Voltage Meter
7, Kirchhoff's law certification
8, holes mortem levy Lenz's Law
9, the principle of superposition and certification reciprocity theorem
10, Norton theorem Thevenin's theorem and the post-mortem levy
11, voltage and current source of the equivalent transformation
12, controlled source of research
13, a band circuit experiment
14, the Second Circuit transition process
15, Research LC components in the DC Circuit and the exchange of
16, was negative for the maximum power of the conditions 17, the measurement circuit parameters exchange
18, sine exchange RLC components in the circuit characteristics
19, RL and RC series circuit experiment
2 O, RLC series resonant circuit
21, fluorescent circuit connections and power factor improvement
22, the star of the load, 1.30 Next Act
23, the three-phase circuit and power measurement
24, RC network of selected frequency
25, the Swiss population research network
26, single-phase transformer experiment
27, mutual inductance circuit experiment
28, the use of three-phase asynchronous motors with starter
29, 3-phase motor control relay contact with the basic circuit
30, a three-phase motor Y △ Starting Control Experiment
31, the order of three-phase motor control experiment
32, three-phase motors can rake Brake Control Experiment
Use of these 32 experiments can be completed the following components circuit experiment
33, the simplest circuit 34, Circuit points potential and the choice of reference point 35, the series resistance 36, the parallel resistance 37, Resistance Hybrid 38, resistor divider circuits 39, the entire circuit Ohm's law 40, Bridge Application and balance conditions 41, node voltage Law 42, loop voltage Law 43, slip Current law 44, RCL parallel circuit 45, Series circuit 46, transformers structure and working principle 47, the first law Kirchhoff 48, Kirchhoff Second Law 49, fluorescent circuit principle 50, expanding voltage meter range 51, expanding range ammeter 52, RC circuit over the course 53, RL filtration process 54, the series circuit capacitance 55, capacitor parallel circuit 56, the charge and discharge capacitors 57, AC-DC capacitor in the role of 58, bar magnet coils in the campaign 59, capacitor Hybrid 60, pure resistance inductance, capacitance circuit 61, the magnetic coupling coil-Series 62, the opposite of magnetic coupling coil in series 63, the working principle of Ohm Table 64, the double-switch control 65, with oscilloscope observed hysteresis loop 66, magnetic circuit Ohm's law 67, the two coils of the same name - and mutual inductance 68, mutual inductance coupling 69, improve power factor method 70, single-phase power measurement circuit 71, and hand power circuit 72, filter circuit 73, the relationship between resistance and temperature: measured filament voltammetry The different voltage resistance. 74, three-phase induction motor control switch is to experiment 75, a slightly Overload Protection of the Line of Control 76, the button control is to reverse control circuits 77, contactor control of a triangular buck Star starter control circuit |
* Electronic experimental projects: 1 diode transistor characteristics and Detection 2 Crystal triode input-output characteristics Three low-frequency small-signal voltage amplifier 4 direct coupling two amplifier 5 RC coupling has two amplifier 6 negative feedback on the performance of amplifier 7 transformer strokes of push-pull power amplifier 8 complementary symmetrical push-pull power amplifier (OTL) 9 single-phase half-wave rectifier 10 single-phase full-wave rectifier 11 single-phase rectifier bridge 12 single-phase bridge rectifier filter 13 single-junction transistor characteristics I4 single-junction transistor trigger circuit 15 SCR simple test and controllable rectifier circuit 16. FET test 17 Series Voltage Regulators 18 Differential Amplifier Research 19 integrated operational amplifier parameters of the test 20 integrated circuit operational amplifier Cheng-fa 21 integrated circuit operational amplifier Adder 22 Integrated Operational Amplifier integral circuit 23 Integrated Operational Amplifier differential electronic circuit 24 Integrated Operational Amplifier Venturi sine wave oscillator 25 capacitance three-point oscillator 26 inductors three-point oscillator 27 integrated regulator circuit 28 non-steady state circuit (multi-harmonic oscillator) 29 Schmitt trigger 30 integration and functional test logic gate 31 integrated-circuit logic gate functional test 32 integrated circuit logic gate shaking or functional test 33 Integration and non-functional test gate logic Yi 34 CMOS gate circuit testing 35 basic RS flip-flop 36 JK flip-flop 37 D flip-flop 38 555 time base circuit applications (square wave generator) 39 2.1 metric Counter 40 2.1 metric 8421 decoder 41 Adder 42 subtraction of 43 with integrated structure with non-door Shu monostable multivibrator 44 combinational logic circuit Using the above 44 experimental components can be completed the following experiment 45 PN junction unidirectional conductive properties 46 powers of the measuring circuit kBo 47 triode IcBo measurement circuit 48 powers of the current magnification 49 triode of the VA 50 with the single-stage load small signal voltage amplification 51 voltage negative feedback bias circuit 52 pressure Current negative feedback bias circuit 53 with thermistor stability point 54 using diode stability point 55 of Ce on the low frequency characteristics of 56 common base Large experimental circuit 57 total collector Large experimental circuit 58 total source basic amplifier circuit 59 FET self-bias amplifier 60 FET pressure Self-bias circuit 61 FET total drain circuit 62 FET gate circuit total 63 single-tube circuit resistive and capacitive Large 64 basic DC amplifier 65 with the increase resistance level emitter potentials 66 with the increase of pressure Sui - emitter - 67 transformer coupled amplifier 68 A power amplifier 69 B power amplifier 70 Tandem current negative feedback 71 Tandem poor voltage feedback circuit 72 parallel negative feedback circuit voltage 73 parallel current negative feedback circuit 74 levels in the larger negative feedback circuit 75 emitter output circuit 76 bootstrap circuit emitter output 77 using high-frequency capacitance - voltage attenuation 78 with negative feedback elimination of self-excited oscillation 79 battery monitoring circuit 80 FET transistor circuit composed of caving 81 PNP direct-coupled amplifier circuit NPN 82 total-were shot amplifier 84 Level photoelectric control 85 simple temperature control circuit 86 analog-control circuitry automatically summary streetlights 87 RC oscillator phase shifter 88 pairs of T-selected frequency network 89 pairs of T network composed of selected frequency oscillator 90 transformer feedback oscillation circuit 91 FET transformer feedback oscillation circuit 92 burglar alarm circuit 93 Series crystal oscillation circuit 94 complementary audio oscillation sound equipment -- 95 alarm sound equipment -- 96 music doorbell circuit 97 electronic alarm circuit 98 differential amplifier circuit, the basic form of 99 electronic doorbell circuit 100 prospective complementary symmetry circuit 101 three complementary symmetry circuit OTL 102 Elliot differential amplifier circuit 103 differential input single-ended output 104 single-ended input dual-output 105 single-ended input single-ended output 106 pair of power-Elliot differential amplifier circuit 107 differential amplifier circuit experiment 108 with a constant current source differential amplifier measures 109 single-ended output of the differential amplifier circuit temperature satirical analysis 110 flash circuit 111 shipped its amplifiers to the basic law 112 current differential operational amplifier used for the exchange ratio Large 113 Vos simple measuring method 114 Ios simple measuring method 115 Aod simple measuring method 116 common-mode rejection ratio Cmrr simple test 117 most common mode input, the simple test UIcm 118 Yopp simple test 119 SR measurement method 120 basic law with the next phase Large 121 operational amplifier consisting of LC oscillator 122 electric thermostat Cup circuit 123 primers to reverse zero-ended input measures 124 primers to the same input-to-zero that Oxfam 125 for electricity without too much value to law 126 of the base current triode realize 127 using T-raising equivalent feedback resistor network 128 to complement the work in the A and B categories to expand output Current measures 129 pairs of capacitor negative when wearing a correction measures 130 RP-import protection measures 131 with the input of the protection measures 132 use of the protection device regulators 133 Power to the wrong polarity protection 134 power transient overvoltage protection launched 135 diode detector circuit 136 of the temperature coefficient PN junction temperature measurement circuit principle 137 pairs of diode limiter device 138 RP - basic circuit operational amplifier 139 variable magnification ratio 140 with the basic circuit of the Operational Amplifier 141 voltage / current conversion circuits 142 Current / Voltage Converter 143 voltage follower 144 differential amplification basic circuit 145 Operational Amplifier differential input 146 RP-input computing Summation 147 with the input of the sum Operators 148 pairs ended input summation Operators 149 basic points integral circuit 150 EG examination leakage resistance of the filter integral computing circuit 151 improve the integration time constant 152 Quick integral circuit 153 analog circuit first order differential equation 154 analog circuit second-order differential equation 155 basic differential electronic circuit 156 Practical differential electronic circuit 157 use indirect methods similar to micro - 158 basic circuit of several computing 159 using the logarithm of triode composed of several computing circuit 160 opposed to the basic circuit of amplification 161 Vo proportional to VxVy circuit 162 simple than zero this circuit 163 with hysteresis characteristics of circuit regression 164 pairs of limited comparison circuit 165 used as a secondary ceiling detection range of choices circuit 166 pairs of limited three-state comparison circuit 167 minimum rate of choice circuit seizure 168 basic sampling protection circuit 169 RC passive networks end of the low-pass filter circuit 170 filter circuit with component of the received input 171 filter circuit components from the RP-input 172 simple second-order RC filter circuit 173 typical active RC filter circuit 174 two bands active filter circuit More than 175 road feedback secondary active filter circuit 176 typical second-order Qualcomm active filter circuit 177 basic band-pass filter circuit 178 typical band-pass filter circuit 179 with Double T network composed of band stop filter Road 180 output limiting the Inverter 181 practical difference Operational Amplifier 182 rectangular wave root finishes Road 183 resistive and capacitive phase shifter trigger circuit 184 electric mattress thermostat device 185 width adjustable rectangular wave generator 186 simple sawtooth generator 187 frequency adjustable sawtooth generator 188 single-phase bridge rectifier circuits commonly used painting 189 full-wave rectifier circuit largest peak reverse voltage 190 capacitor filter circuit 191 capacitor filter with resistance load 192 full-wave rectifier circuit capacitor filter 193 RC filter circuit More than 194 of the RC filter circuit 195 basic LC filter circuit 196 T-filter circuit 197 twice pressure rectifier circuit 198 three times pressure rectifier circuit 199 basic circuit regulator of regulators 200 basic adjustment of the voltage regulator circuit 201 of the voltage regulator circuit amplification link 202 adjustment of the steady flow circuit 203 electronic filter 204 Series regulator circuit 205 Parallel regulator circuit 206 e-hypnosis 2O7 three-integrated regulator circuit 208 are power adjustable output voltage regulator integrated circuit 209 single-phase full-wave rectifier controllable 210 silicon pressure of the Sui Sui voltage circuit 211 single-phase half-wave rectifier controllable 212 single-phase half-bridge rectifier 213 rechargeable Principle rejection Silicon Rectifier 214 inductive load on the impact of thyristor 215 SCR trigger on-test 216 counter electromotive force thyristor circuit load 217 simple electronic circuit Surge 218 test-tube pressure than the node n 219 single node of the oscillation circuit 220 single-node application of the trigger circuit 221 diode "and" gate circuit 222 triode "or" gate circuit 223 and logic stylized 224 or logic stylized 225 non-logic stylized 226 triode "" The Gate 227 Transistor "and not" door. 228 triode "or" The Gate 229 Third pull the bistable circuit 230 Third Circuit Maple tube Monostable 231 triode multi-harmonic oscillation circuit 232 home-trigger circuit 233 emitter-coupled bistability 234 symmetric multi-harmonic oscillator 235 Ring multi-harmonic oscillator 236 differential single steady-state circuit 237 integrated circuit Schmidt 238 rectangular wave generator 239 single pulse circuit 240 consecutive pulse generator ◆ electric drive components:
1, is to switch control circuit 2, contactor is to move the control circuit
3, a self-locking is to control the line 4, with overload protection is the control circuit turns 5, inverted-switch control is to reverse control circuits 6, contact the interlock device is to reverse control circuits
7, buttons contactor control circuit composite Interlocking 8, the button is to reverse the interlock control circuit
9, automatic control circuit from the itinerary 10, contactor control series resistance buck Starting Line
11, time relay control of blood pressure control line series resistance 12, manually Y / △ buck Starter 13, contactor control Y / △ buck Starter 14, time relay control Y / △ buck Starter
15, QX3-13-Y / △ automatic starter control circuit 16, half-wave rectifier power brake control circuit 17, full-wave rectifier power brake control circuit
18, C620 lathe electrical control circuits
19, manually buck Starter 20, single-phase operation of brake control circuit reverse
21, electric hoist electrical control circuits 22, C6163 lathe electrical control circuits
23, control circuit interlock control circuit 24, the main circuit interlock control circuit
25, the DC motor launch
26, the DC motor speed control 27, the DC motor reversal 28, DC mechanism dynamic experiment 通用电工、电子、电力拖动实验室成套设备(带直流电机实验)四合一 |
English Tel: +86.21-56301098 Fax: +86.21-66613899
QQ: MSN:shkr123@hotmail.com
Website: www.shkr.com Email: kerong@shkr.com