ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Power: 20kW
Voltage: 40V
Current: 667A
AC Input
Voltage range: 304Vac to 480Vac / 380V±20%
Frequency: 47Hz to 63Hz Wiring method 3ph+PE
Inrush current: <50A
Efficiency up to: 93.5%
Power Factor: 0.99
Protective functions
OVP: Overvoltage protection adjustable 0 - 110% UNominal (±1% F.S.)
OCP: Overcurrent protection Adjustable 0V- ±110% INominal (±1% F.S.)
OPP: Over-power protection range 0V ~ ±110% PNominal (±1% F.S.)
OT: Overtemperature protection
Voltage
Programming accuracy: ± 0.02% F.S.
Programming resolution: ± 1mV
Display accuracy: ± 0.02% F.S.
Line regulation CV: ± 0.01% F.S. (208V-480V AC±10% input voltage, constant load and constant temperature)
Load regulation CV: ± 0.01% F.S. (0-100% load, constant input voltage and constant temperature)
Ripple (rms) CV: <25mV
Ripple and noise p-p CV: <300mVpp
Remote compensation: Max.voltage±1V
Rise time 10%-90% CV: 2.5ms
Fall time 90%-10% CV: 2.5ms
Recovery time: Recovery to steady state within 2.5ms ±0.75% F.S. (25%-50% or 50% -25%) load
Discharge time: ≤20s
Current
Programming accuracy: ± 0.15% F.S.
Programming resolution: ± 100mA
Display accuracy: ± 0.15% F.S.
Display resolution: ± 10mA
Line regulation CC: ± 0.01% F.S. (208V-480V AC±10% input voltage, constant load and constant temperature)
Load regulation CC: ± 0.05% F.S. (0-100% load, constant input voltage and constant temperature)
Rise time 10% - 90% CC: 3ms
Full time 90% - 10% CC: 1ms
Power
Programming accuracy: ± 30W
Programming resolution: ± 10W
Display accuracy: ± 30W
Display resolution: ± 10W
Resistance
Range: 0.003-100Ω
Programming accuracy: 1mΩ
Programming resolution: 1mΩ
SAS
Short-circuit current setting range: 0A~Ie
Simulated fill factor range: 0.3~0.95
Photovoltaic panel type selection: C-Si, Thin-film, Custom
I-V curve update rate: Typical time 1ms, with online curve switching function
IV curve criteria: EN50530, Sandia, simple
IV curve function: Static curves; curve scanning; static sequences; static MPPT; dynamic MPPT; weather simulation; Shading of photovoltaic panels; curve programming; customcurves etc.
Curve setting:
1) IV curves can be customized with parameters such as Voc, Isc, FF and Pm;
2) Dynamic working mode takes into account environmental influences such as temperature changes and irradiance, and can continuously output IV curves for different environments;
3) Built-in EN50530/Sandia dynamic I-V curve test program
Programming
Programming mode: List, Wave, Step, Advanced
Number of programming steps: 200
Cycle range: 0~9999999 times
Minimum programming time: 100μs
Mode of operation: Load, end, trigger
Interfaces/Any port
Functions and definitions: See "Any port interface specification"
Isolation: 707VDC
Interface
Rear panel: Type-B USB, LAN, Share Bus, Magic-BUS, Magic-BOX; DC terminal, AC supply, Remote sensing, Analog interface
Front panel: Type-A USB, ON/OFF Button, Out Button, Touch screen, Rotary knob
Environment
Operating temperature: 0 to 50 (°C) (power derating over 35°C)
Storage temperature: -20 to 70(°C)
Humidity: ≤ 80%. Not condensing
Height: Output current derating 2%/100m above 2000m or Ta derating 1°C/100m
Insulation
Negative - PE: ±500 V DC
Positive - PE: ﹢500 V DC
AC Input - PE: 2.5 kV AC
Other
Size: W435mm x H132mm x D781mm
Weight: 40kg
Note:
The above accuracy test conditions are: 25°C ± 5°C;
Ripple voltage/Ripple(peak)@20MHz bandwide;
Ripple voltage/Ripple (rms) @ 300kHz LF;
Voltage swing rate / Slew rate (Without load)
