ZDAI-RLC DC IMPEDANCE SIMULATION CABINET

Series:

The ZDAI-RLC series microgrid cable DC impedance simulator consists of multiple segments of impedance devices that simulate different lengths of DC cables. It can accurately simulate cable impedance parameters, and the cable length and specifications are customized according to user requirements. It corresponds to the impedance, inductance, and capacitance values of the microgrid access cable, and simulates the length of the connected common low-voltage power supply system cable, with a step of 50 meters (step can be customized). It meets the needs of distributed power source experiment and testing, and is essential testing equipment for the development and verification of relay protection programs.

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Details

Product Features

◆ The DC line simulator consists of multiple segments of equipment that simulate the impedance of DC cables of different lengths, with the length provided by the user; for example: For a single-core cable with a cross-sectional area of 10mm2 and a voltage resistance of 1000VDC, the four segments (2.5Km, 5Km, 7.5Km, and 10Km) can be freely combined to simulate DC cables of different lengths.

◆ The DC line simulation equipment should have a bipolar structure and can directly simulate a bipolar DC line.

◆ Simulated DC cable impedance coefficient: resistance 0.0754Ω/km, inductance 0.282mH/KW, capacitance 0.292μF/KW, impedance error less than 5%; line impedance simulation uses lumped parameter simulation.

◆ The line simulation provides an interface for the return cable of single-pole-to-ground short-circuit fault simulation.

◆ The fault simulation resistance can withstand a short-circuit current for more than 10 seconds without turning red, with automatic overheat protection.

◆ The short-circuit fault time can be set in the software, adjustable from 0.1 to 10 seconds.

◆ Equipped with a PLC automatic control system, the host panel has switches for adjusting impedance and fault access, which can be adjusted arbitrarily according to experimental needs.

◆ Configured with a local control panel to realize the functions of simulating line length and fault adjustment.

◆ The line simulation resistors are high-precision components and will not cause impedance value changes due to temperature increase during long-term operation.

◆ The device can operate normally under the following environmental conditions:

◆ Ambient temperature: -20 ℃～+50 ℃

◆ Relative humidity: 10%～90%, no condensation

◆ Atmospheric pressure: 80 kPa～110 kPa

◆ Noise: ≤65dB, measured at 1m

◆ Altitude: ≤2000m

◆ Service life: 20 years (average temperature 25℃, components can be replaced during use)

◆ Earthquake resistance: horizontal acceleration 0.2g, vertical acceleration 0.1g, tested according to IEC 61166, safety factor 1.67

◆ Permissible ambient temperature during transportation: -35℃～＋85℃, relative humidity not exceeding 85%

◆ Permissible ambient temperature during storage: -35℃～＋85℃, relative humidity not exceeding 85%, the device will not undergo irreversible changes without any excitation.

Detailed Parameters

ZDAI-RLC Series DC Simulated Impedance
Model	ZDAI-RLC-50K
Power Supply	AC 220V/ 50Hz ± 10%
Power Consumption	< 2kW
DC Voltage Range	0 ~ 800 Vdc
Rated Current	75A
Simulated Cable Length	2.5Km、5Km、7.5Km、10Km (Customized according to user requirements)
Impedance Length Coefficient	Resistance 0.0754 / km
Impedance Error	≤5 %
Resistance and Inductance Thermal Drift	≤±2 PPM
Fault Simulation Mode	Positive and negative pole single-pole grounding, positive and negative pole inter-pole fault
Fault Simulation Resistance	2Ω、5Ω、10Ω
Fault Peak Current	150 A
Fault Duration	0.1 ~ 10s
Control Method	Local Control
Communication Protocol	Modbus
Remarks	Simulated Impedance Can be customized according to user requirements

If the above specifications do not meet your needs, you can customize them according to your requirements. Tel: 0574-65113511

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