20 Kva Stabilizer Single Phase
The 20 KVA Single Phase Voltage Stabilizer is designed for single-phase systems with a 150–250V AC input and 220V regulated output. It is intended for higher-power commercial and industrial loads where the supply voltage varies during operation.
Product Introduction
The 20 KVA Single Phase Voltage Stabilizer is designed for single-phase systems with a 150–250V AC input and 220V regulated output. It is intended for higher-power commercial and industrial loads where the supply voltage varies during operation.
Key Specifications
|
Parameter |
Specification |
|
Rated Capacity |
20 kVA |
|
Phase |
Single Phase |
|
Input Voltage |
150–250V AC |
|
Rated Input Voltage |
220V AC |
|
Output Voltage |
220V AC |
|
Output Accuracy |
±3% |
|
Frequency |
50/60 Hz |
|
Rated Output Current |
Approx. 90.9 A |
|
Cooling |
Forced Air Cooling |
|
Protection |
Over/Undervoltage, Overload, Overtemperature |
|
Display |
Input / Output Voltage Monitoring |
|
Mounting |
Floor Standing |
|
Operating Temperature |
-10°C to +40°C |
|
Relative Humidity |
≤90% RH, Non-condensing |
|
Protection Degree |
IP20 |
|
Dimensions |
Approx. 550 × 380 × 700 mm |
|
Net Weight |
Approx. 65–80 kg |
When 20 KVA Is the Right Capacity
Higher-Power Single-Phase Loads
The 20 kVA rating suits larger single-phase loads such as HVAC equipment, compressors and production machinery.
Motor Starting Current Matters
For motors and compressors, selection should consider starting current and power factor, not only running power.
Match the Site Supply
The standard configuration provides 220V single-phase output. Confirm the actual input voltage, frequency and wiring arrangement before ordering.
What the Regulation Range Means in Practice
150V → 220V → 250V
Within the 150–250V input range, the stabilizer automatically regulates the supply toward the rated 220V output, helping maintain the required voltage when the incoming supply fluctuates.
Built Around Heat Management
The stabilizer uses copper windings and cold-rolled silicon steel sheets in its regulating transformer structure. Forced-air cooling is used to remove operating heat from the internal components.
The cooling fans automatically start when the monitored coil temperature reaches 70°C.
Key Construction:
- Copper windings
- Cold-rolled silicon steel core
- Forced-air cooling
- Temperature-controlled fan operation
Protection That Matters During Operation
Helps limit abnormal high-voltage conditions.
Helps prevent operation under specified low-voltage conditions.
Protects the stabilizer when the connected load exceeds its rated capacity.
Monitors excessive internal temperature and supports thermal protection.
Manufacturing & Routine Inspection
The 20 kVA stabilizer is assembled through coil winding, transformer assembly, electrical wiring, cooling-system installation and protection-component integration.
Finished units are checked for voltage regulation, electrical connections, protection functions and overall assembly before shipment.
Installation Details to Confirm Before Ordering
Before quotation, confirm:
- Input voltage range
- Required output voltage and frequency
- Load type and rated power
- Motor/compressor starting characteristics
- Quantity and installation environment
These details help determine whether the standard 20 kVA configuration matches the intended power system and load.
FAQ
Q: Can a manual bypass be included with the stabilizer?
A: A manual bypass can be considered when the electrical system requires an alternative power path during stabilizer maintenance or servicing. The required bypass arrangement should be confirmed before ordering.
Q: Can input and output voltage monitoring be included?
A: Yes. Input and output voltage monitoring can be specified as part of the cabinet configuration, allowing operators to check the electrical condition during operation.
Q: Can the stabilizer be integrated into an existing power distribution system?
A: Yes, provided the existing system matches the stabilizer's electrical requirements. The input and output wiring arrangement should be reviewed before installation.
Q: Can the input voltage range be customized for a specific site?
A: A different input range may be considered depending on the required operating conditions and stabilizer configuration. The actual site voltage range should be provided when requesting a quotation.
Q: What information should be provided for a 20 kVA stabilizer quotation?
A: Provide the site input voltage, required output voltage and frequency, load type, rated load, quantity and installation conditions. Motor-driven loads should also include relevant starting characteristics.
Q: What technical documents can be provided with the stabilizer?
A: Available documentation may include product specifications, electrical or wiring information, nameplate details and inspection records, depending on the order configuration.
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