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Brief introduction:SBW-SJ series three-phase AC automatic voltage regulator is based on the perfect combination of traditional compensated AC voltage regulator and modern intelligent control technology, so that users can enjoy the reliability and convenience of parameter setting and maintenance brought by modern control circuits, highlighting the safety, economy, stability, energy saving and humanization of the man-machine interface of the voltage regulator equipment. This voltage regulator power supply can be equ
SBW-SJ series three-phase AC automatic voltage regulator is based on the perfect combination of traditional compensated AC voltage regulator and modern intelligent control technology, so that users can enjoy the reliability and convenience of parameter setting and maintenance brought by modern control circuits, highlighting the safety, economy, stability, energy saving and humanization of the man-machine interface of the voltage regulator equipment. This voltage regulator power supply can be equipped with a variety of intelligent interfaces to realize the functions of "remote communication, telemetry, and remote control". Control method: Adopt high-efficiency and compact microcontroller control, anti-harmonic interference, three-phase average true RMS sampling; Parameter setting: code display, digital parameter adjustment; Operation mode: membrane tactile switch; Display carrier: white LCD screen on blue background. SBW-SJ series laser special voltage regulator should be used indoors, and the normal use conditions are: 1. Ambient temperature: -10°C—+45°C 2. Altitude: <1000M 3. Relative humidity: 20%-95% 4. There are no gases, vapors, chemical deposits, dirt and other explosive and corrosive media that seriously affect the insulation of the voltage regulator. 5. There is no serious vibration or bump in the installation site.
| Infusion | Allowed input voltage range | 3Φ4W+G or 3Φ3W+G AC380V±20%, other voltage levels or other ranges can be customized |
| Rated voltage regulation range | 3Φ4W+G or 3Φ3W+G AC380V±15%, other voltage levels or other ranges can be customized | |
| Rated frequency | 50HZ/60HZ | |
lose | Output capacity | The input voltage of the power grid fluctuates in the range of -10% to +20% of the rated voltage, and can be output according to the rated capacity, when the input voltage is lower than the rated voltage -10%, the output capacity of the voltage regulator decreases; |
| Rated output voltage | 3Φ4W+G or 3Φ3W+G line voltage AC380V and other rated voltage levels can be customized | |
| Center voltage | ±5c/o adjustable | |
| Voltage regulation accuracy | ±(1-6)c/o selectable, factory setting: high precision, line voltage Uab±4V | |
| Response time | ≤0.1s | |
| Stabilization time | ≤1s (10% step change in input voltage relative to rated value) | |
| Waveform distortion | Increment≤0.2% | |
| efficiency | ≥98℅ | |
| Three-phase imbalance | Increment≤0.5% | |
| protection | Overvoltage | The output line voltage is 10C/O higher than the set value, alarm and delay for 6 seconds to cut off the output (overvoltage value and delay time can be set according to user requirements) |
| Undervoltage | The output line voltage is 12C/O below the set value, alarm and delay for 12 seconds to cut off the output (the undervoltage value and delay time can be set according to user requirements) | |
| overload | Double protection of electronic detection and circuit breaker (fixed and unsettable according to the model): long delay beyond the rated load, and cut off the output power supply according to the reverse time limit curve | |
| Overcurrent | Double protection of electronic detection and circuit breaker (can be adjusted appropriately according to the model and approved): 20 seconds short delay over the rated current by 1.2 times, and cut off the output power supply according to the reverse time limit curve | |
| short circuit | Circuit breaker protection: Instantaneous cut-off of output | |
| bypass | When the voltage regulator fails or is repaired, it has a power manual pass-through device | |
| Display & Alarm (White LCD Screen on Blue Background) | Input Voltage Display (Zone 1) | Manual switching display (or automatic rotation display): Current three-phase input line voltage UAB, UBC, UCA or phase voltage UAN, UBN, UCN (TRUE RMS NUMERIC DISPLAY) Note: Reverse phase prompt: The input power supply reverse phase "Input Voltage" will flash a prompt. |
| Output Voltage Display (Zone 2) | Manual switching display (or automatic wheel display): current three-phase output line voltage Uab, Ubc, Uca or phase voltage Uan, Ubn, Ucn (true RMS digital display) | |
| Operating current display (3 zones) | Manual switching display (or automatic rotation display): Current three-phase working current values Ia, Ib, Ic (true RMS numeric display) | |
| Operation status display and alarm record (4 zones) | a. Overvoltage V-H: When the corresponding lights of the three phases of the overvoltage indicator A, B and C are on, it means that there is an output overvoltage in the phase of the phase. b. Undervoltage V-L: When the corresponding lights of the three phases of the undervoltage indicator A, B and C are on, it means that the output undervoltage is present in the phase of the corresponding phase. c. Overload C-H: When the corresponding lights of the three phases of the overload indicator A, B and C are on, it means that the phase should be overloaded. d. Phase deficiency F-S: When the corresponding lights of the three phases of A, B and C are on, it means that the phase should have a power supply deficiency. | |
| Control and parameter setting | Microcontroller intelligent detection and control | Microcontroller intelligent detection and control: detects a total of 9 power signals of the regulator input voltage, output voltage, and working current, and after converting it into a digital signal through AD, it sends out corresponding control, display and alarm signals after intelligent judgment by the microcontroller |
| Parameter settings | The voltage regulation accuracy can be set | |
| The output voltage center value can be set | ||
| The overcurrent protection value and delay time can be set | ||
| The overvoltage protection value and delay time can be set | ||
| The undervoltage protection value and delay time can be set | ||
| Manual voltage regulation/automatic voltage regulation can be switched | ||
| Safety regulations | grounding | Reliable grounding and correct and clear markings |
| Electrical clearance creepage distance | Greater than 10MM | |
| Insulation resistance | The whole machine is ≥ to the ground 2MΩ (excluding control and instrument display) | |
| Insulation strength | Ground to the ground: AC2000V 50HZ 1 min ≤20mA (excluding control and instrument display) | |
| Input and output wiring | The identification is correct and clear | |
| How it works | It has two working modes: voltage regulation and mains power | |
| Voltage adjustment method | Intelligent (microcomputer control) compensation type | |
| Overload capacity | less than 1.2 times the rated current for 15 minutes; 1.2-2 times the rated current for 20 seconds; 3 times the rated current for 1 second | |
| Optional features (additional charge) | 1. Lightning protection device: can play a good surge protection when the power grid changes instantaneously and induces lightning strikes; 2. EMI filtering device: can effectively filter out the harmonic interference of the power grid; 3. Phase sequence and phase absence protection function; 4. RS485 interface: realize remote control, remote signal, and telemetry functions. | |
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Model specifications |
Rated capacity kVA |
Rated Current (A) |
Input Voltage Range (V) |
Output Voltage (V) |
Count |
AC withstand pressure |
Insulation resistance |
Efficiency rate |
Waveform distortion | Operating frequency Hz |
Voltage regulation accuracy |
| SBW-SJ-15 | 15 | 22.8 |
AC330V -430V |
380 ± 5% can be set |
Three phases |
2000V 10mA 1 minute without breakdown |
≥3 MΩ |
≥ 98% |
≤0.2% |
50 ～ 60 |
±(1~6)% can be set |
| SBW-SJ-20 | 20 | 30.4 | |||||||||
| SBW-SJ-30 | 30 | 45.6 | |||||||||
| SBW-SJ-40 | 40 | 60.8 | |||||||||
| SBW-SJ-50 | 50 | 76 | |||||||||
| SBW-SJ-60 | 60 | 91.2 | |||||||||
| SBW-SJ-80 | 80 | 122 | |||||||||
| SBW-SJ-100 | 100 | 152 | |||||||||
| SBW-SJ-120 | 120 | 182 | |||||||||
| SBW-SJ-150 | 150 | 228 |
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