DL series power-special UPS

DL series power-special UPS
Category

The DL series power-special UPS,they are professionally designed for power plants, substations and distribution stations, featuring double-conversion online mode and zero switching function.

They are mainly applied to power telecontrol, RTU, power carrier communication, power monitoring and other power system scenarios.

When the mains supply is normal, single-phase 220V (or three-phase 380V) power undergoes isolation, rectification and filtering, then supplies stable power to the load via the inverter. In case of abnormal AC grid input or power failure, power is supplied by the backup DC panel of the power system through the non-return diode for inversion output.
When the DC panel is under-voltage or power-off, the static switch automatically switches to bypass power supply. Once the mains supply recovers to normal, the system will automatically switch back to mains inverter power supply. If the inverter is overloaded or faulty, the system will transfer to bypass power supply and issue an alarm signal simultaneously.
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Product detail:

Product Specifications

Model DL5K DL10K DL15K DL20K DL30K DL40K DL50K DL60K DL80K
Rated Capacity 5KVA 10KVA 15KVA 20KVA 30KVA 40KVA 50KVA 60KVA 80KVA

AC Input

Parameter Specification
Phases Single / Three-Phase + N + G
Nominal Voltage 220/380VAC ± 20%
Nominal Frequency 50/60Hz ± 10%
Power Factor 0.8, 0.95 (with input filter or 12-pulse rectifier)
Soft Start 0~100% in 5s

Bypass Input

Parameter Specification
Phases Single / Three-Phase + N + G
Nominal Voltage 220/380VAC ± 15%
Nominal Frequency 50/60Hz ± 5%

DC System

Parameter Specification
Nominal DC Voltage 220V
Cut-off Voltage 185V
Max. Discharge Current 22A

AC Output

Parameter Specification
Phases Single / Three-Phase + N + G
Nominal Voltage 220V ± 1% (steady load), 220V ± 3% (load fluctuation)
Nominal Frequency 50/60Hz ± 0.05 (battery mode)
Power Factor ≥0.8
Output Waveform Sine wave
Total Harmonic Distortion (THD) Linear load <3%, Nonlinear load <5%
Dynamic Load Voltage Transient Range ±5% (0~100% load step)
Recovery Time <10ms
Crest Factor 3:1

Overload Capability

Parameter Specification
Overload Capability 125% for 10 min, 150% for 1 min, >150% for 200ms

Protection Functions

Parameter Specification
Protection Functions Overvoltage, undervoltage, overcurrent, short circuit, overtemperature, etc.
Efficiency >91%, >95% (ECO mode)

Communication Interfaces

Parameter Specification
Communication Interfaces RS232 / RS485 / RS422 / SNMP

Operating Environment

Parameter Specification
Operating Temperature 0°C ~ 40°C
Relative Humidity 10% ~ 90% (non-condensing)
Altitude <2000m (Capacity derates by 1% per 100m elevation gain)
Cooling Method Forced air cooling

Dimensions (WxDxH) mm

Parameter Specification
Dimensions (WxDxH) mm 800x600x2260 / 800x800x2260
Weight (kg) 210

Options

Parameter Specification
Options RS485 / SNMP network adapter / harmonic compensation cabinet / input/output distribution cabinet / input/output isolation cabinet / lightning protection device / bypass voltage regulator cabinet / custom cabinet dimensions available upon request

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