CDMP200/300 series of protection and monitoring device in the absorption of the principle of the current domestic programs mature and advanced for the
Development of a new generation of country demand protection products, can be applied to non-110kV and below voltage power directly to ground
Various types of electrical equipment and network line protection or backup protection master, both fault recorder, network communications from
Automation functions.

1. l       1. Device protection profile
   * CDMP200/300 universal protection and monitoring device (you can achieve line, bus, prepare to vote, Auxiliary Transformer
   , Power less than 2000kW high voltage motor, transformer backup protection, high voltage electrical power after more than 2000kW
   Equipment protection)
   * CDMP281/381 voltage transformer protection and monitoring device
   * CDMP302 large high-voltage electric main protection and monitoring device
   Complete protection of main transformer
   * CDMP391 transformer backup protection and monitoring device
   * CDMP392 transformer differential relay
   1) CDMP200/300 main protection configuration is as follows:
   Current protection (three sections of over-current, time-bound, anti-time Note 1, the negative sequence current, over-load, zero sequence current,
   Complex voltage over-current, Ix over-current Note 1)
   Reclosure (with no pressure inspection, inspection period, after the acceleration)
   Frequency load shedding protection (with slip lock, low-voltage lockout), low-frequency solution to be protected
2.  
3. l       Low current ground protection (with the network selection line)
   Voltage protection (low voltage splitting, low-voltage, over voltage, loss of voltage, negative sequence over-voltage, zero sequence voltage)
   Preparatory Auto
   Overheat protection
   Reverse Power Protection
   Motor protection (including the start-up time is too long to protect, double ＆#118alue) (Note 2)
   Custom protection for 1 to 8 (Note 3)
   Note 1: IEC standard inverse time contains three types of anti-time curve: standard inverse time, very inverse time
   Extremely inverse time.
   Note 2: If the input motor protection, the Current Protection and the ceiling has the Current Protection
   Motor starting time pre-determined ＆#118alue of automatic double function; set time overcurrent protection with security in the motor starting time
   Nursing automatic logoff feature.
   Note 3: Custom protection for the realization of temperature and other non-power protection, but also realize the standard library does not provide protection
   Special protection.
   2) CDMP281/381 main protection configuration is as follows:
   Voltage protection (1 # PT over-voltage, 2 # PT over-voltage, 1 # PT Low Voltage, 2 # PT Low Voltage, 1 # PT negative sequence power
   Pressure, 2 # PT negative sequence voltage, 1 # PT zero sequence voltage, 2 # PT zero sequence voltage)
   Voltage transformer secondary voltage is automatically switched (ie, automatic switching PT) (Note 1)
   Custom protection for 1 to 8 (2)
   Disconnection Protection (1 # PT, 2 # PT) (Note 3)
   Note 1: The device lock control panel manual / automatic voltage switching.
   Note 2: Custom Protection library used to implement standards to protect the special protection is not provided.
   Note 3: In the "Device Parameters" menu set the input / exit for the PT switching voltage when disconnected.
   3) CDMP302 main protection configuration is as follows:
   Instantaneous differential protection
   Percentage differential protection (with CT breaking blocking function)
   Zero-sequence voltage protection
   Custom protection for 1 to 8 (1)
   Note 1: Custom protection for the realization of temperature and other non-power protection, but also realize the standard library does not provide protection
   Special protection for
4.  
5. l       Complete protection of main transformer high side by the CDMP391 reserve and the main protection CDMP392, low-pressure side of the reserve
   Protection can be based on actual need for the CDMP300/CDMP200, CDMP391 form
   4) CDMP391 main protection configuration is as follows:
   Current Protection (Ⅳ section composite voltage-current protection, overload, overload lockout voltage, overcurrent protection start cooling
   Care)
   Zero-sequence voltage protection
   Protection options: direction lock (1)
   Protection options: composite high-pressure side (2)
   Protection options: Composite low side (Note 3)
   Custom protection for 1 to 8 (Note 4)
   Note 1: If the input direction of locking feature, combined with the direction of voltage over current latch function.
   Note 2: If the input composite high-pressure side of the function, the composite voltage-current protection to take high side voltage.
   Note 3: If the input complex low-pressure side of the function, the composite voltage-current protection to take low voltage.
   Note 4: Custom Protection for the realization of gas, temperature and other non-power protection, but also realize the standards to protect library
   Does not provide special protection.
   5) CDMP392 main protection configuration is as follows:
   Instantaneous differential protection
   Percentage differential protection (with CT breaking blocking function)
   Zero sequence current protection
   Zero-sequence voltage protection
   Custom protection for 1 to 8 (1)
   Note 1: Custom protection for the realization of temperature and other non-power protection, but also realize the standard library does not provide protection
   Special protection.
   2. Key Features
   Set the protection, measurement, monitoring, control, man-machine interface, communication and other functions into one; specifically for open
   Switchgear for "unit" of design, a device to complete the switch cabinet of all the automation features that simplify the
   Secondary switchgear design and construction, instead of a variety of conventional relays and measuring instruments, save a lot of installation space
   Rooms and control cables.
   Online Protection and control of programmable, staff familiar with electrical ladder diagram (LAD) programming to meet
6.  
7. l       IEC1131-3 standard; versatility, built-in protection of libraries, users can run to configure the appropriate protection,
   Reduced the device type and spare parts.
   32-bit digital signal processor (DSP), advanced core structure, high-speed computing power and real-time letter
   No. good handling characteristics, due to factors such as CPU performance of the protection algorithm can not be achieved easily.
   DeviceNet (CAN) field bus communications, automatically re-issued with the wrong frame and automatic detachment fault node
   Error correction mechanism to ensure real-time information transmission and reliability. The highest rate of 1Mbps, the most long-distance 10km, a
   Article bus allows up to 110 devices attached.
   Enclosed metal chassis, waterproof, dustproof, and has a strong anti-static, anti-electromagnetic interference and resistance to mechanical vibration
   Dynamic capabilities; either distributed locally installed in the switch cabinet, focus group screen can also be installed; device structure is reasonable, then
   In installation, wiring and commissioning.
   Surface mount technology, an important device (such as power modules, transformers, relays, liquid crystal display terminal
   Child, etc.) are well-known companies with mature products, MTBF 100,000 hours.
   Ability to complete self-test and found abnormal device can automatically alert; self-protection to effectively prevent the wiring
   Error or normal operation of the device caused permanent damage; maintenance-free design, no need to adjust in the field sampling precision
   Measurement accuracy will not run because of environmental change and long-term increases caused by errors.
   International universal input power supply module, compatible with 85 ~ 264V AC or DC Power Supply, power supply drops and more
   Voltage mutations have outstanding performance.
   AC and DC operating circuit breaker with a common anti-jump locking hardware modules, sub / closing operation of the current loop
   Size does not affect the module work properly. Enhanced circuit breaker operation and management functions, the various operation modes of the substation,
   Distribution station can apply.
   Digital input support direct trip or alarm, for gas, temperature and other important trip protection or interlock. Mining
   Confirmation can be set to change with time window technique, the effective elimination of switch contacts jitter and electromagnetic interference and ensure the correct remote signals
   100%.
   Ergonomic man-machine interface design, graphic LCD with backlight, menu design, all the Chinese show
   Rationalize the screen saver control. Display includes measurement data, binary state, real-time waveforms, event records,
   Fault recorder, protect ＆#118alue and system parameters.
   With the event record can be recorded with the power system for safe all events, the time resolution
   Less than 1ms, available online log events 100, power-down is not lost, easy to analyze the causes and diagnostic equipment, lack of fault
   Depression.
   A fault recorder function, can be a true record of failure before and after the current, voltage, switch state information, write
8.  
9. l       Density wave recorded 24 points per week, record length of 100 frequency, power-down is not lost.
   Protection setting with multiple sets of manual and automatic switching function. Electrical device can automatically recognize changes in the functioning,
   And automatically switch the protection setting zone is particularly suitable for unattended operation mode often changes and electrical occasions.
   3. General technical specifications
   1) Environmental conditions
   * Normal temperature: -10 ℃ ~ 55 ℃
   * Extreme Temperature: -30 ℃ ~ 70 ℃
   * Storage temperature: -40 ℃ ~ 85 ℃
   * Relative humidity: ≤ 95%, no condensation
   * Atmospheric pressure: 80 ~ 110kPa
   2) Power Supply
   * Voltage range: 85 ~ 264V (AC or DC)
   * Normal power consumption: <10W
   * Maximum power consumption: <20W
   * Power Drop: 200ms
   * The electric shock: 4A
   * Isolation voltage: 3kV
   3) Control power supply
   * Rated voltage: 220V (AC or DC) (rated voltage of 110V the need to specify when ordering)
   * Overload: 60% ~ 120% rated voltage, continuous
   * Isolation voltage: 4kV
   4) AC current loop
   * Rated current: 5A (rated current of 1A, must specify when ordering)
   * Power consumption: <0.5VA / per phase
   * Overload: 2 times rated current, continuous
   10 times rated current, allowing 10s
   40 times rated current, allowing 1s
   * Isolation voltage: 4kV
   5) AC voltage circuit
10.  
11. l       * Rated voltage: 100V (line voltage) or 100 / √ 3 (phase voltage)
    * Power consumption: <0.5VA / per phase
    * Overload: 2 times rated voltage, continuous
    * Isolation voltage: 4kV
    6) The switch input circuit
    * Rated voltage: 48VDC (from the device internal power supply)
    * Power consumption: 2mA (IN01 ~ IN14)
    * Resolution Rate: <1ms
    * Isolation voltage: 4kV
    7) Relay Output
    * Breaking voltage: 250VAC, 220VDC
    * Breaking power: 1250VA AC or 120W DC (resistive load)
    500VA 75W AC or DC (inductive load)
    * Working Current: 5A, continuous
    * Isolation voltage: 4kV
    * Operating time: <5ms
    * Contact material: silver gilt
    * Electrical Life: 2,000,000
    * Mechanical life: 20,000,000 times
    8) measurement accuracy
    * Current, Voltage: 0.2
    * Power, electric degrees: 0.5
    * Frequency: <0.02Hz
    9) insulation
    * Insulation Resistance: The electrical circuit between the> 500MΩ (500V Megohmmeter)
    The electrical circuit and to> 500MΩ (500V Megohmmeter)
    * Power frequency withstand voltage: the electrical circuit between the 2.5kV/50Hz, 1Min
    The electrical circuit and to 2.5kV/50Hz, 1Min
    * Impulse Voltage: The electrical circuit between the ± 5.0kV/0.5J, 1.2/50us
    The electrical circuit and to ± 5.0kV/0.5J, 1.2/50us
12.  
13. l       * High Voltage: The electrical circuit between the 2.5kV/2s
    * The electrical circuit and to 2.5kV/2s
    10) electromagnetic compatibility
    * Able to GB/T14598.14-1998 (idt IEC255-22-2) standard grade Ⅳ in the harsh provisions
    Electrostatic discharge tests.
    * Able to GB/T14598. 9-1995 (idt IEC255-22-3) standard grade Ⅲ in the harsh provisions
    Radiated electromagnetic field disturbance tests.
    * Able to GB/T14598.13-1998 (idt IEC255-22-1) standard grade Ⅲ in the harsh provisions
    1MHz burst disturbance tests.
    * Able to GB/T14598.10-1996 (idt IEC255-22-4) standard requirements of the harsh grade A,
    Fast transient disturbance test.
    * Able to IEC1000-4-5 "Electromagnetic compatibility (EMC)" Part IV: Testing and measurement techniques s
    Standard anti-jamming test the impact of five chapters under harsh grade Ⅳ surge impact test.
    11) Mechanical Properties
    * Able to GB7261-87-16 standard requirements of the harsh grade Ⅰ, vibration test.
    * Able to GB7261-87-17 standard requirements of the harsh impact of grade Ⅰ trial.
    * Able to GB7261-87-18 standard requirements of the harsh grade Ⅰ in crash tests.
    4. Device tuning
    1) Setting protection function setting table
    
    

1. l        
   2) protection of Setting ＆#118alue Table
   Protection of the content on Settings, under the protection function setting on the circumstances, the following parameters for the complete protection setting table: