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    I GDS¡ª1 Type Advanced Electric System Experimental Equipment£º
    Product Collocation£º
    Basic Collocation
    No
    Part Name
    Code
    Remark
    1
    experiment table
    New Disign
    2
    power supply master screen
    GDS-01A
    New Disign
    3
    voltage regulating, current regulating source
    GDS-03
    Same as GDS-2
    4
    signal source, fixed power supply
    GDS-04A
    New Disign
    5
    DC circuit load
    GDS-06A
    Same as GDS-2
    6
    dynamic component unit
    GDS-06B
    Same as GDS-2
    7
    precision load
    GDS-07A
    New Disign
    8
    three-phase light load
    GDS-08
    Same as GDS-2
    9
    fluorescent lights, variable capacitor
    GDS-09
    Same as GDS-2
    10
    DC voltammeter, AC voltmeter and current meter
    GDS-17
    collected in a hang box, New Disign
    Optional Parts
    1
    power meter, power factor meter
    GDS-13
    Same as GDS-2
    2
    controlled source
    GDS-14
    Same as GDS-2
    3
    relay contract box
    GDS-15
    Same as GDS-2
    4
    relay contract experiment unit I
    GDS-15A
    machine tool electric experiment unit, new design
    5
    relay contract experiment unit II
    GDS-15B
    6
    relay contract experiment unit III
    GDS-15C
    Product Technical Features£º
        GDS-1 type advanced electric system is a new generation of electric experiment equipment. It has beautiful whole outer shape, compact structure, and is able to accomplish all experiments of electric elements. With multiply experiment protection functions.
    The whole protection system uses current type creepage protection in the primary side of insulation transformer and voltage type in assistant side.
    All working power supply is insolated from network voltage.
    Master power supply uses breaker to switch power supply. Lead-in power supply cut off when over current occurs.
    Key on-off to control system power supply, facilitating lab management.
    Main Technical Index£º
    Working power supply£ºthree-phase four-wire 380V AC power supply, frequency 50HZ
    Power of input power supply£º1.5KVA
    Dimension of the whole set£ºLength1500¡ÁWidth700¡ÁHeight1500£¨Unit£ºmm£©
    II GDS¡ª3 Type Advanced Electric System Experiment Equipment£º
    Product Allocation£º
    Basic Allocation
    No
    Code
    Part Name
    Remark
    1
    Experiment Table
    Iron Injection Structure
    2
    Experiment Table
    Iron Injection Structure
    3
    power supply master screen
    GDS-01B£¨with alarming recording meter£©
    Same as GDS-2
    4
    voltage regulating source
    GDS-02B
    All New Design
    5
    voltage regulating, current regulating source
    GDS-03B
    All New Design
    6
    signal source
    GDS-04B
    All New Design
    7
    DC circuit load
    GDS-06A
    Same as GDS-2
    8
    dynamic components
    GDS-06B
    Same as GDS-2
    9
    intelligent precision load
    GDS-07
    Same as GDS-2
    10
    three-phase light load
    GDS-08
    Same as GDS-2
    11
    fluorescent lights, variable capacitor
    GDS-09
    Same as GDS-2
    12
    DC voltammeter
    GDS-10
    Same as GDS-2
    13
    AC voltmeter
    GDS-11
    Same as GDS-2
    14
    AC current meter
    GDS-12
    Same as GDS-2
    15
    power meter
    GDS-13
    Same as GDS-2
    16
    broad band voltmeter
    GDS-23
    Same as GDS-2
    17
    controlled source
    GDS-14
    Same as GDS-2
    18
    relay contract box
    GDS-15
    Same as GDS-2
    Product Technical Characteristics£º
    Use GDS-2 the whole pattern of Advanced Electronic System Experimental Equipment, dimension and size is completely compatible, all parts able to replaced by one or another. Use the latest DG-X development achievement of digital control and routinized control and give forceful hardware support to computer assistant mathematics software. At the same time, it's more credible and perfect on aspect of equipment self-protection. And also accord with demands of education market development .
    General Characteristics£º
        GDS-3 type advanced electric system is a new generation of electric experiment equipment. It has beautiful whole outer shape, compact structure, and is able to accomplish all experiments of electric elements. With multiply experiment protection functions.
    The whole protection system uses current type creepage protection in the primary side of insulation transformer and voltage type in assistant side.
    All working power supply is insolated from network voltage.
    Master power supply uses breaker to switch power supply. Lead-in power supply cut off when over current occurs.
    Key on-off to control system power supply, facilitating lab management.
        With computer communication function, all measuring meters£¨self-made£©connected with the computer through serial port communication.
    All voltage source, current source, signal source and AC voltage regulating power supply etc use digital control and have computer communication functions.
    All measuring meters have digital control and programme control functions and also computer communication functions.
    More perfect and credible on aspect of system self-protection, especially with high- and low-voltage power supply serial connection added to, it's in accord with requirements of open labs.
    Main Technical Index£º
    Working power supply£ºthree-phase four-wire 380V AC power supply, frequency 50HZ
    Power of input power supply£º1.5KVA
    Dimension of the whole set£ºLength1500¡ÁWidth700¡ÁHeight1500£¨Unit£ºmm£©
    III DG-X Advanced Electric & Electronic Synthetical Experimental System£º
        DG-X Comprehensive Experiment Equipment of Modern Electrical and Electronic Engineering is the newest special equipment in open laboratory, co-developed by our company and College of Electrical Engineering of Zhejiang University. It has the advantages of beautiful configuration and compact structure and it employs several patent technologies. Integrating with several years experience in producing special education experiment equipment, main control screen and each functional component is delicately designed. By selecting relevant experiment module, it can accomplish the experiment course of Electrical Fundamental, Electrical Technique, Relay Control, Analog Electronic Technique, Digital Electronic Technique, Motor Pull, Motor Control, Power Electronics.
    Product Characteristics £º
        Perfect self-protection technology, experiments safer£»advanced digital control technology and more powerful functions£º
    Aiming at requirements of experimental equipment meeting challenge of open experiments, DG-X series electric & electronic synthetical experimental system has powerful functions of self-protection. With lead-in wire creepage and output creepage protection, lead-in wire over load and output over load protection function to conduct all-round protection towards experimental equipments and experimental personnel. Signal system, power supply system and meter system all have powerful ability of anti electric impact, able to tolerate error serial connection of power supplies of different levels and different sorts. Advanced perfect protection technology enables equipments to be in accordance with requirements of open experiments and devoid of expensive maintenance fee.
    1£®The whole protection system uses current type creepage protection on the primary side of insulating transformer and voltage type creepage protection on assistant side. When voltage between outer skull of experimental equipment and the zero line£¨zero line of the on-ground system£©is more than 36V, voltage type creepage protection system takes effects and gives alarming signals automatically and cuts off master power supply. When experimental equipment has current creepage£¨creepage in deed£©towards the ground£¨the actual ground£©, current type of creepage protection system of the equipment takes effects, cutting off input power supply and assuring experimental safety of the students. All working power supplies are isolated from network voltage and working power supply use on-ground system.
        2£®Digital three-phase adjustable AC voltage regulator power supply£¨DG-2 series£©, voltage regulating scope 0-240V, voltage regulating accuracy 2%, rated output current 1.5A, with over current protection function and computer ports. When AC voltage regulating power supply is over loaded, it immediately cuts off power supply output and at the same gives over current alarming indication. Restored and then restarted.
        3£®Unique AC voltage regulating power supply design guarantees direct short circuit at max. AC voltage output will not damage experimental equipments.
    4£®System power supply controlled by key on-off, facilitating daily management of the lab.
    5£®Perfect combination of comprehensibility and flexibility.
        6£®24 basic choosing schemes through flexible module collocations.
    Power supply master control screen and all functional modules are carefully designed, all modules of measuring meters, loads, power supply series£¨voltage regulating source, signal source and current regulating source etc.£©can be purchased optionally by all schools according to experimental demands and flexibly collocated.
        7£®All functional module convenient to dismantle, parts not necessary in the experiments can be taken off and put away in special storage cabinet fixed with the experimental equipment, facilitating management of experimental equipment.
    Experimental objects visible operation, no more are only signs without practicalities£»experimental objects can be designed freely by students themselves.
        8£®Double stresses on advancedness and practicability£º
    All measuring meters have over measuring range protection function, special circuit design enabling instruments to have very high ability of anti-impact; through high voltage input into current meter will not cause damages.
    9£®All measuring instruments cancel traditional key on-off to switch measuring range, realizing intelligentization and having double communication functions of computers, meters controlled by data of micro-computer monitoring and measuring instruments.
    10£®Signal system, power supply system, instrument system and variable load are all program controllable, setting hardware base for CAI introduction.
    Main Technical Index£º
    Working power supply£ºthree-phase four-wire 380V AC power supply, frequency 50HZ.
    Power of input power supply£º1.5KVA
    Dimension of the whole set£ºLength700¡ÁWidth600¡ÁHeight500£¨mm£©
    Insulation Resistance£ºmore than 5M¦¸.
    For actual requirements of the schools on equipment performance needed, electric equipment of our company has the following merits£º
        The new generation of electric technique experimental equipment£¨DG-1A£©accords with requirements of open experiment teaching. Design of the whole set is carefully done on instrument series, source series£¨including AC power supply, voltage regulator source, current regulating source and signal source£©, stressing program control and high credible protection functions.
    Open structure of all experimental objects, with visibility.
        Personal all-round protection system of the equipment use current type protection£¨30mA£¬0.1S£©on the primary side of insulation transformer and voltage type creepage protection£¨50V action voltage£©on assistant side of insulation transformer, which are somehow different from two voltage type creepage protection systems inside and outside the insulation transformer. According to national standards, only current type of creepage protection is personal protection in deed. What's more, inside and outside creepage protections are all voltage type can result in voltage protection signals coming all from cage, it will also make primary side and assistant side of insulating transformer have relations on aspect of electrics and disable the insulation functions.
        Voltage regulator source£¨0-30V£©£ºno shifts of regulating, facilitating the experiments. Output current£¨0.5A£©, far above requirements of the experiments. And it is digital display index, more direct than pointer type. All operations can be switched between program control and manual control, set hardware base of computer control in the future.
    Current regulating source£¨0-250mA£©£ºno shifts of regulating, max. output voltage 20V, with output current indication and current regulating indication, greatly larger than the actual requirements, able to meet demands of large current experiments of the schools in the future. All operations can be switched between program control and manual control, set hardware base of computer control later on.
    Intelligent control signal source£ºoutput index£¨1HZ-1MHZ£©£¬with digital display for output frequency. Use wave shape generator integrated block as core part, providing great guarantee to wave shape quality output in high frequency£¨above 500KHZ£©, having ideal experimental results. It also exceeds requirements of actual functions. All operations can be switched between program control and manual control, set hardware base of computer control in the future.
    Meters use digital display modes. With computer bus serial port communication function. Able to be switched between program control and manual control. On meter design, it considers the importance of the selection of measuring range. Meter measuring range does not use automatic switch modes, while by changing switch modes of direct keys, setting hardware base of computer control in the future.
    IV DKSZ-3 Type Electric, Electronic & Electric Driving Experimental Equipment£º
        DKSZ-3 type motor control experimental equipment is a new generation of experimental equipment promoted by our company on the base of two types of experiment equipments such as DKSZ-1 and DSZ-1, absorbing merits of domestic and overseas products of the same kind and taking full consideration of different teaching characteristics of motor pull experiments, motor control experiments, electric and electronic experiments, automatic control experiments and plant power supply experiments. Through various combination of experimental parts, it can accomplish¡¶motor control system experiment¡·, ¡¶motor pull experiment¡·, ¡¶electric & electronic experiment¡·, ¡¶automatic control experiment¡· and ¡¶plant power supply experiment¡·.
    Product Characteristics £º
        1£®Master control screen of DK01 has the following functions£º£¨1£©provide three-phase four-wire AC voltage regulator output power supply. Use three-phase combined adjusting autotransformer, combined adjusting output can produce three-phase line voltage 0-420V AC power supply and three single-phase line voltage 0-240V AC power supply, which is used in motor pull experiments£¨2£©Provide three-phase line voltage of 200V and 230V AC power supply, which is used in motor control and electric & electronic experiments£¨3£©Over two-way power supply use selection switch to select to meet demands of different experiments.£¨4£©Left side of the master control screen outputs 220V three-phase special power supply, used together with motor test platform in motor experiments.£¨5£©Three-phase AC power supply is fixed with three-phase current transformer, providing signals for current feedback and over current protection, also with current type creepage protection system£¨on the left side of experimental screen£©and voltage type creepage protection system£¨on the panel of master control panel£©. £¨6£©Provide 2 groups of trigger pulse£¨width adjustable£©used separately in two group of controllable silicon. And also provide two ways of controllable silicon£¨KP5A800V and KP5A1300V£©. £¨7£©On master control screen fixed with alarming times display, able to completely record alarming times of the experiments and with examination function.
    2£®Motor experiment table D01 is the core parts of motor pull experimental equipment, with the following characteristics£º£¨1£©provide motor orbit and dynamometer system, speed measuring generator, 220V DC voltage regulator power supply, armature resistance and motor excitation resistance etc. £¨2£©Unique power measuring circuit of vortex dynamometer can stably test the complete M-S curve of the motor,£¨able to make tested motor run stably in the unstable region£©.£¨3£©All experiments on aspect of motor pull can all be accomplished on this experiment table.£¨4£©220V DC voltage regulator power supply uses high frequency switch circuit with stable performance and short circuit protection function. Voltage regulating 170V-240V£¬rated current 1.7A.
    Main Technical Index£º
    Working power supply£ºthree-phase four-wire 380V AC power supply, frequency 50HZ.
    Power of input power supply£º1.5KVA
    Dimension of the whole set£ºLength1800¡ÁWidth720¡ÁHeight1600£¨mm£©
    Insulation Resistance£ºmore than 5M¦¸.
    V ZK-1 Type Automatic Control Theory Experimental System£º
    I Basic Type
        Automatic Control Theory Experimental Equipment is developed for the course of Automatic Control Theory (classical control part). It can accomplish the experiment of traditional automatic control theory, namely silulate typical parts by composite network method and it accords with education outline requirement of Automatic Control Theory (classical control part). It can be used in the experiment course of Automatic Control Theory ( classical part) for junior colleges and technical secondary schools.
        £¨1£©Experiment Projects
        Automatic Control Theory Experimental Equipment can accomplish the following experiments£º
         Analog experiment of typical parts
    Transient response and its stability analysis of control system
    Measuring of frequency characteristics
    Analog research of series correction of linear system
    Simulation of typical nonlinear links
        £¨2£©Basic Setup
    a£® When fixed with outer single-phase 220V AC power supply, automatic control theory experimental system can provide +/£­15V power supply.
    b£® Experimental system provides a step signal output, whose amplitude value can be adjusted by potentiometer. Amplitude value is indicated by voltmeter head of the panel. Push the pulse button and switch to negative step output, release it and switch to positive step output.
    Automatic control theory experimental system provides 8 units of movement amplifiers, resistor capacitor unit of each can be used by that movement amplifier only other than any other amplifiers. Experimental system also provides a sole unit of resistor capacitor unit which can be used by all movement amplifiers. Other experimental system provides two 47K and four 2.2K multi-loop potentiometer, for nonlinear experiments' use.
    £¨3£©Experimental Equipments and Instruments
    a£® Automatic control theory experimental system
    b£® Low frequency signal generator£¨outer setup£©
    c£® Low frequency double oscilloscope£¨outer setup£©
    II Reinforced Type
        Reinforced type automatic control theory experimental system adds computer emulation experiment on the basis of the former experimental system to satisfy demands of modern education.
    Hardware Setup£º
    The reinforced type of automatic control theory experimental system should fix an additional data acquisition card and a channel board. Its hardware is supplied by professional producer thus has stable and credible performance. Data acquisition cards of the hardware are ISA and PCI port two types, directly plug in the slot of the computer.
    Below are setup requirements on the computer£º
    CPU£ºabove PII233
    EMS memory£ºabove 32M
    Mainboard£ºa PCI or ISA slot should be reserved.
    CD-ROM£ºabove 8X time speed
    Operating system£ºWINDOWS95/WINDOWS98
    £¨2£©Software Description£º
    Automatic control theory experimental system software is co-developed by our company and Zhejiang University Electric Engineering Institute. The software has simple setup and convenient operation. It can accomplish the following functions£ºable to real-time track input and output waveshape in the experiments and print experiment curve. Specific experiments are as follows£º
    a£®Computer emulation experiment of typical parts, including first-order, second-order and third-order system, and the second and third also able to display performance index of transitional response among it.
        b£®Computer emulation experiment of linetype system serial correction, able to compare curves before correction and after correction.
    c£®Computer emulation experiment of typical nonlinear parts. Through emulation you can obtain characteristic curve of nonlinear parts.
    d£®When fixed with computer assistant teaching software, besides having emulation software, it also has real-time monitoring and testing functions of experimental data, recording wave shapes and data of all experiments and conducting data and waveshape analysis on this base. With data acquisition system and relevant software fixed, no outer instruments and oscillograph are needed.
    Main Technical Index£º
    Working power supply£º220V AC power supply, frequency 50HZ.
    Dimension of the whole set£ºLength394¡ÁWidth401¡ÁHeight120£¨mm£©
    Insulation Resistance£ºmore than 5M¦¸.
    VI TX-1 Type Communication Elements Experimental System£º
        ¡¶Communication Elements¡·and ¡¶Communication System¡·are basic courses of information engineering major and communication engineering major. The course has extensive content and some concepts are quite abstract. The establishment of communication elements experiments deepens students' understanding on basic concepts of communication elements. However, traditional communication elements experiment uses small-scaled integrated circuit basically and even uses a lot of discrete components to design experiments. Discrete circuit cabling is very difficult to reach technical index of the experiments and experiment contents are also difficult to update. Use EPLD components to accomplish some comminication elements experiments can make up above shortcomings.
        This experiment uses advanced ALTERA large-scaled programmable logic components and development system as experiment platform
        Every experiment has simpplified schematic input and HDL language input functions etc, able to satisfy design test in the course of experiment and demands on logic phantom and sequence phantom etc.
        Experiment board has signal source and signal interfaces with it which can be set up by oneself.
    Experiment Projects
    Main Experiment Contents£º
    1¡¢Design of clock generator and pseudo random code generator
    2¡¢HDB3 coding and decoding
    3¡¢Differential coding and decoding, coding disturbing and anti-disturbing
    4¡¢PCM sequence generator and PCM integrated coding
    5¡¢Coding correction elements
    6¡¢BPSK and QPSK modulator elements

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