Solution
Description
———— Technical Specifications ————
This voltage regulator features large capacity, a wide operating range, low losses (making it energy-efficient), high precision, rapid voltage regulation, and no waveform distortion.
This voltage regulator provides smooth voltage regulation, can withstand transient overloads, and is suitable for a wide range of linear and nonlinear loads.
It features a user-friendly Chinese LCD display, making this voltage regulator…
The device features convenient use and maintenance.
Cooling is achieved via forced air cooling, with air intake at the bottom and exhaust at the top.
Wind, using an axial-flow AC fan.
The continuous operating life of the fan shall be no less than 50,000 hours (GB/T 2658).
The entire voltage regulator cabinet per 40 kVA unit of output capacity is packaged in bulk.
The hot air flow rate shall be no less than 15 m³/min.
———— Product Principle Block Diagram ————
———— Overall Machine Electrical Performance Parameters ————
| Rated input voltage level | 400VAC/230VAC/120VAC | |||||||||||
| Input voltage range | 400VAC±20%/230VAC±20%/120VAC±20% | |||||||||||
| Input frequency range | 50Hz±10%/60Hz±10% | |||||||||||
| Rated output voltage | 380VAC±5%/220VAC±5%/110VAC±5% | |||||||||||
| Voltage regulation accuracy | ≤±5% | |||||||||||
| Output load capacity | 110% of rated load, continuous operation; 120% of rated load, operation for 60 minutes; 140% of rated load, operation for 15 minutes; 160% of rated load, operation for 5 minutes; | |||||||||||
| Efficiency | At rated load, ≥95%; | |||||||||||
| Three-phase voltage unbalance degree | When operating in three-phase mode, the asymmetry of the output voltage—defined as the difference between the output voltage asymmetry and the input voltage asymmetry—shall not exceed ±1%; the voltage asymmetry is calculated as (negative-sequence component / positive-sequence component) × 100%. | |||||||||||
| Relative harmonic content of the output voltage waveform | (Output voltage waveform harmonic content – input voltage waveform harmonic content) ≤ ±10% | |||||||||||
| Settling time | When the input voltage steps to 10% of the rated voltage, the settling time is ≤1.5 seconds. | |||||||||||
| Insulation | Between the windings and the housing, as well as between windings, a 3 kV test is performed, with an insulation resistance of ≥1 MΩ. | |||||||||||
| Compressive strength | 2000V, 1 minute | |||||||||||
| Electrical Clearance and Creepage Distance | Electrical clearance ≥ 6 mm; creepage distance ≥ 10 mm; | |||||||||||
| Noise | ≤65db | |||||||||||
| Temperature rise | After the machine has reached thermal equilibrium, the maximum temperature rise of the windings or coils inside the machine shall not exceed 80°C; the maximum temperature rise at the brush contacts shall not exceed 120°C. | |||||||||||
| Brush life | ≥10,000 adjustments | |||||||||||
| Protection function | It is equipped with output overvoltage protection, undervoltage protection, overcurrent protection, and short-circuit protection, as well as travel‑limit protection for the voltage‑regulating motor. Upon activation of any of these protections—overvoltage, undervoltage, overcurrent, or short circuit—a audible, visual, and electrical alarm is triggered, and the output is automatically disconnected. | |||||||||||
———— Single-Input Single-Output Isolation Transformer Parameters ————
| Rated input voltage | 400VAC/230VAC | |||||||||||
| Input voltage range | 320V–480V/185V–275V | |||||||||||
| Input frequency range | 50Hz±10%/60Hz±10% | |||||||||||
| Insulation thermal class | Class B | |||||||||||
| Insulation | Between the windings and the housing, as well as between windings, a 3 kV test is performed, with an insulation resistance of ≥1 MΩ. | |||||||||||
| No-load loss | For 40 kVA and below, ≤3% of the rated capacity; for 50 kVA and above, ≤2% of the rated capacity. | |||||||||||
| Short-circuit loss | For 40 kVA and below, ≤3% of the rated capacity; for 50 kVA and above, ≤2% of the rated capacity. | |||||||||||
———— Parameters of a three‑phase input/single‑phase output isolation transformer ————
| Rated Input Line Voltage | 400VAC | |||||||||||
| Input voltage range | 320V–480V | |||||||||||
| Input frequency range | 50Hz±10%/60Hz±10% | |||||||||||
| Insulation thermal class | Class B | |||||||||||
| Insulation | Between the windings and the housing, as well as between windings, a 3 kV test is performed, with an insulation resistance of ≥1 MΩ. | |||||||||||
| No-load loss | For 40 kVA and below, ≤5% of the rated capacity; for 50 kVA and above, ≤4% of the rated capacity. | |||||||||||
| Short-circuit loss | For 40 kVA and below, ≤5% of the rated capacity; for 50 kVA and above, ≤4% of the rated capacity. | |||||||||||
———— Compensation Transformer Parameters ————
| Rated input voltage | 210VAC/105VAC | |||||||||||
| Input voltage range | 0V–210V/0V–105V | |||||||||||
| Input frequency range | 50Hz±10%/60Hz±10% | |||||||||||
| Insulation thermal class | Class B | |||||||||||
| Insulation | Between the windings and the housing, as well as between windings, a 3 kV test is performed, with an insulation resistance of ≥1 MΩ. | |||||||||||
| No-load loss | ≤2% of rated capacity; | |||||||||||
| Short-circuit loss | ≤2% of rated capacity; | |||||||||||
———— Regulator Parameters ————
| Rated input voltage | 220VAC/110VAC | |||||||||||
| Input voltage range | 220V±5%/110V±5% | |||||||||||
| Input frequency range | 50Hz±10%/60Hz±10% | |||||||||||
| Output voltage range | 0V~210V/0V~105V | |||||||||||
| Insulation thermal class | Class B | |||||||||||
| Insulation | Between the windings and the housing, as well as between windings, a 3 kV test is performed, with an insulation resistance of ≥1 MΩ. | |||||||||||
| No-load loss | ≤2% of rated capacity; | |||||||||||
| Short-circuit loss | ≤2% of rated capacity; | |||||||||||
| Motor full-range adjustment time | ≤4 seconds | |||||||||||
———— Mechanical Parameters ————
| Model number | DBW/SBW10 | DBW/SBW15 | DBW/SBW20 | DBW/SBW30 | DBW/SBW40 | DBW/SBW60 | DBW/SBW80 | DBW/SBW100 | DBW/SBW120 | DBW/SBW160 | DBW/SBW200 | |
| Protection rating | IP20, IP21, IP30, IP32, IP40, and IP42 are available. | |||||||||||
| Standard dimensions (mm) | W(D) | 600 | 1200 | 1800 | ||||||||
| W(S) | 600 | 1200 | 1800 | |||||||||
| D | 800 | |||||||||||
| H1 | 1800 (IP20, IP30, IP40) | |||||||||||
| H2 | 2000 (IP21, IP32, IP42) | |||||||||||
| Weight (kg) | 700 | 730 | 750 | 850 | 1000 | 1200 | 1500 | 1800 | 2000 | 2500 | ||
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Office address: Building 7, Xia Zhuang Zhi Zao Yuan, U Valley, liandong, No.328, Cheng Kang Road, xia zhuang Street, Chengyang District, Qingdao City, Shandong Province
Factory Address: Jiangshan Precision Machinery Manufacturing Industrial Park, Laixi City, Qingdao City, Shandong Province
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