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PLB-D/S PROGRAMMABLE AC SINGLE THREE-PHASE SERIES

Series:

The PLB series AC loads include single-phase AC loads, three-phase AC loads, RL inductive loads, RLC inductive-capacitive loads, and RCD non-linear loads. Products are widely used in daily maintenance testing, project acceptance, factory inspection testing, and product aging of various switching power supplies, medium-frequency aviation power supplies, and inverters. They can simulate the starting characteristics, stability characteristics, transient characteristics, and output parameter testing processes of purely resistive, inductive, capacitive, and mixed loads, and detect the performance of AC power supplies when connected to different loads. Power input uses optimized segmented power input to adapt to different loads and power factors.

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Details

Product Features

◆ Touch screen control with automatic compensation tracking power function.

◆ Discharge power can be set via the touch screen according to power detection requirements.

◆ Detects the working efficiency, maximum output power under full load, and load capacity of various power generation and discharge equipment.

◆ Simulates various complex working environments, sudden increase and decrease of power, and detects the actual load capacity and efficiency of the discharge equipment.

◆ Automatic energy calibration tracking function, automatically increases and decreases the load level.

◆ Emergency stop and temperature protection, overload, short circuit, and over temperature equipment automatic cut-off.

◆ Upper and lower limit voltage setting, automatically reduces to the range voltage point according to energy.

◆ Customized AC/DC integrated machine is available for both AC and DC use (this requires communication by phone).

◆ Temperature protection setting, temperature 0~100° can be set, and real-time temperature is monitored.

◆ Programmable interface with 0~30 groups of power and current settings, minimum execution time 1ms, can cycle 999999 times.

◆ The minimum resolution of the load is 1W, which can accurately simulate the load level.

◆ Measurement data can be uploaded to a computer to achieve the function of recording and storing data during the detection process.

◆ Two operation modes: panel operation or remote control.

◆ Over-temperature protection function, temperature setting and temperature monitoring.

◆ Uses new resistive components, high power density, no red-hot phenomenon, long lifespan.

◆ Customizable power factor 0.3~1 adjustable load (users need to specify whether PF adjustment is required).

◆ Applied to factory inspection, production debugging, simulation of harsh load environments, scientific research and development, military industry, and other precise testing sites.

◆ 7-inch LCD touch screen control, LCD instrument display.

◆ Resistive, inductive, and capacitive loads can be customized according to the actual needs of users; and the power factor can be adjusted.

◆ Built-in power factor navigator (users only need to set the power or current and power factor value, the system will automatically budget the input value. Users can modify this value or start directly).

◆ Please be sure to note whether it is resistive, inductive, or capacitive when ordering.

◆ LoRa control technology, wireless remote PC control.

Product Applications

◆ Power communication, telecom mobile ◆ Civil aviation, banking and securities enterprises

◆ Railway Bureau electrical section ◆ 400HZ/Generator UPS maintenance

◆ Electrical switch testing and aging test, current transformer testing, charging pile load capacity

Product Specifications

PLB-DR Series Programmable Intelligent Single-Phase AC Load
Model	PLB-DR10	PLB-DR20	PLB-DR30		PLB-DR50	PLB-DR100		Customizable programmable inductive and capacitive load
Capacity	10KW	20KW	30KW		50KW	100KW
Load Nature	Pure Resistive
Auxiliary Working Voltage Input
Phase	1φ2W
Voltage	220V±10%
Frequency	47Hz – 63Hz
Power Supply Voltage Output
Phase	1φ2W/3φ4W
Voltage	0-600V (optional) Please specify the voltage when ordering - default 220V50HZ
Frequency	50Hz / 60Hz/400HZ (optional) Please specify the frequency when ordering
Measurement Accuracy	0.5%
Minimum Adjustment Granularity	1W/10W/100W/1KW/10KW/0.01A/0.1A/1A
Control Method	Touch screen control
LCD Display	Voltage, Current, Frequency, Power, Power Factor, Temperature
Frequency Resolution	1HZ
Voltage Resolution	0.1V
Current Resolution	0.01A			0.01A		0.1A
Number of Programmable Groups	30 groups
Temperature Setting	0-300℃
Minimum Execution Time	100mS
Communication Interface	RS232 C/USB/485/CAN
Upper and Lower Limit Voltage	Freely set, automatically increase or decrease the load beyond the set range, and the time can be set.
Output Protection	Overcurrent, Overtemperature, Overload, Short circuit
Weight	50	50	30		50	80	120		150
Volume	6001000900		6501200900			9409501600
Cooling method	Forced air cooling
AC/DC Ordering Model	If a 10KW load with 1KW granularity programmable DC load is required, the model is: PLB-LR10-1 If a 10KW load with 1KW granularity programmable three-phase AC load is required, the model is PLB-SR10-1 (single-phase is PLB-DR10-1)

See the table below:

PLB-SR Series Programmable Intelligent Three-Phase AC Load
Model	PLB-SR50	PLB-SR100		PLB-SR150	PLB-SR200	PLB-SR250	PLB-SR300	PLB-SR500
Capacity	50KW	100KW		150KW	200KW	250KW	300KW	500KW
Load Nature	Pure Resistive
Auxiliary Working Voltage Input
Phase	1φ2W
Voltage	220V±10%
Frequency	47Hz – 63Hz
Power Supply Voltage Output
Phase	1φ2W/3φ4W
Voltage	0-600V (optional) Please specify the voltage when ordering - default 380V 50HZ
Frequency	50Hz / 60Hz (optional) Please specify the frequency when ordering
Measurement Accuracy	0.50%
Minimum Adjustment Granularity	1W/10W/100W/1KW/10KW/0.01A/0.1A/1A
Control Method	Touch screen control
LCD Display	Voltage, Current, Frequency, Power, Power Factor, Temperature
Frequency Resolution	1HZ
Voltage Resolution	0.1V
Current Resolution	0.01A					0.1A
Number of Programmable Groups	30 groups
Temperature Setting	0-300℃
Minimum Execution Time	100mS
Communication Interface	RS232 C/USB/485/CAN
Upper and Lower Limit Voltage	Freely set, automatically increase or decrease the load beyond the set range, and the time can be set.
Output Protection	Overcurrent, Overtemperature, Overload, Short circuit
Weight	150		260		300	400	500	600
Volume	650×1200×900		940×1600×950		1200×1600×950		1350×1700×1750
Cooling method	Forced air cooling

◆Special specifications can be customized according to customer requirements (power, step, size, display, customized model circumference slightly longer)

◆Ordering and Selection Notes: To facilitate customers' better selection of our products, please provide the following parameters before ordering:

1. Rated voltage, 2. Rated power, 3. Power step requirement, 4. Operating environment conditions, 5. Operating mode (default long-term operating mode)

Please note the model when ordering: as follows:

Model: Three-phase AC: PLB-SR (default resistive)

Single-phase AC: PLB-DR

DC: PLB-LR

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