产品概述:Scope of application: Products are widely used in large mechanical and electrical equipment, metal processing equipment, production lines, elevators, medical ma···
Principles and Features:
SCWY-III series intelligent non-contact parameter point precision regulated power supply is a new generation of AC regulated power supply developed and produced by our company, which meets the special needs of high-precision equipment for power supply. It has the advantages of fast response speed, high voltage regulation accuracy, no carbon brush, no contact, no machinery, no maintenance, and solves the automatic balance of three-phase voltage. It is an upgraded product of SBW series mechanical voltage regulators.
The product is suitable for a wide range of loads, can withstand instantaneous overload, and can work continuously for a long time. It is small in size, light in weight, easy to install, and reliable in operation. The box adopts closed cabinet type, with small volume, good heat dissipation, eye-catching position of the detection instrument, and accurate indication. It has been widely used in the fields of mechanical processing, medical equipment, printing equipment, radio and television communication systems and power distribution, and has won unanimous praise from users!
Scope of use:
Products are widely used in large mechanical and electrical equipment, metal processing equipment, production lines, elevators, medical machinery, embroidery textile equipment, air conditioners, radio and television, household appliances and building lighting in the fields of industry, transportation, post and telecommunications, national defense, railways, scientific research, etc. Electrical equipment that requires stable voltage.
Technical indicators:
power | 10kvA- - -2500kvA | |
enter | Rated voltage | 3φ4W+G 380V±20% |
frequency | 47HZ-63HZ | |
output | Rated voltage | 3φ4W+G 380V |
Voltage regulation accuracy | ±1/2% | |
Response time | ≤10ms- 20ms _ _ | |
waveform distortion | No additional waveform distortion (static) | |
efficiency | ≥98% | |
Three-phase unbalance | Three-phase voltage automatic balance | |
Delay output | Regulate the voltage first and then output (to protect the equipment from shock) | |
protect _ | overvoltage | When the output phase voltage exceeds 10% (245V), cut off the output or turn to bypass without interruption (can be set according to actual requirements) |
undervoltage | When the output phase voltage is lower than 10% (195V), cut off the output or turn to bypass without interruption (can be set according to actual requirements) | |
lack of phase | Available (automatic cut-off) | |
overload | Electronic detection, cut off output within 3 minutes of overload | |
overcurrent | Electronic detection and circuit breaker double protection | |
short circuit | Electronic detection and circuit breaker double protection | |
bypass | Uninterrupted automatic bypass | |
Delay output | When the power is sent to the mains or when the power is cut off, the output will be delayed for 5 seconds | |
instruction _ | Voltage | A, B, C, ΣABC three-phase with true RMS LCD liquid crystal display respectively |
current | A, B, C, ΣABC three-phase with true RMS LCD liquid crystal display respectively | |
working status | Voltage regulation status/mains power status | |
abnormal | Overvoltage, Undervoltage, Overload, Fuse Broken | |
Way of working | It has two working modes of voltage regulation and mains power | |
overload capacity | 5 times rated current for 1 second | |
HMI | Intelligent man-machine interface operation panel, easy to set and query various parameters | |
Working pressure | No breakdown within 1 minute at 3000V | |
Ambient temperature/humidity | -150C~450C ≤95%, no condensation | |
Harmonic suppression capability | >50dB output waveform distortion <3% (including grid distortion) | |
Insulation resistance | ≥5MΩ |
Features:
quick response | 12-bit high-speed AD acquisition, 400 points per wave acquisition, single-chip microcomputer for digital processing, and electronic module for rapid compensation |
Various adjustment methods can be set | Coherence: When the coherence is set, the AD simultaneously collects the true RMS values of the three-phase voltages of A, B, and C for average calculation, and gives commands to compensate, which can effectively improve the unbalance of the three-phase voltages |
Sub-adjustment: When the sub-adjustment is set, the three-phase voltages are adjusted separately to ensure that the three-phase voltages are within the accuracy range, especially suitable for single-phase loads | |
Automatic judgment: Microcomputer automatic analysis should carry out coherence or division | |
Advanced measurement technology | 12-bit AD acquisition, single chip microcomputer for digital filtering and true RMS calculation |
Control is accurate | Perfect cooperation between large-scale programmable logic devices and single-chip microcomputers |
User-friendly interface | Various indicators (output voltage, voltage stabilization accuracy, protection function) can be set through the touch keys of the operation panel |
Output waveform without distortion | Non-contact zero-crossing switch switching, the same frequency, phase locking, sine wave superposition compensation principle |
Resist harmonic interference | True RMS Voltage Detection |
Wide load range | Resistive, capacitive and inductive loads can be adapted |
Slow start and shock resistance | It has the function of regulating first and then outputting |
Full protection | When overvoltage or undervoltage occurs, it can be protected within 1 second or automatically switch to bypass operation without interruption, and has perfect phase loss, overload, short circuit protection and sound and light alarm functions after failure |
Voltage and current display | The standard LCD screen displays the true RMS values of voltage and current respectively (phase voltage and line voltage can be switched and displayed) |
Self-recovery function | When overload, overvoltage, undervoltage, fault, etc. occur, it will automatically transfer to the mains or cut off the output, When everything is normal, it will automatically enter the voltage regulation state. |
memory function | When the voltage stabilizer is abnormal, it will be recorded for maintenance and inspection. |
Communication Interface | Standard RS232/485 communication interface |
Output waveform distortion | ≤2.5% (including grid distortion) |
show | Standard LCD display |