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N38300 series User Manual high power high voltage ac/dc power supply

N38300 series User Manual high power high voltage ac/dc power supply
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N38300 series User Manual high power high voltage ac/dc power supply

Product catalog summary
Preface
This manual covers the N38300 series DC power supply by Hunan Next Generation Instrumental T&C Tech. Co., Ltd., detailing installation, operation, and specifications. The company collaborates with universities and industry leaders to produce high-quality intelligent equipment and test & control instruments.
Safety Instructions
  • Safety Notes: Designed for trained personnel aware of shock hazards. Ensure proper grounding and inspect cables before use. Avoid hazardous conditions.
  • Safety Symbols: Symbols indicate electrical and safety warnings, including DC, AC, ground, and high temperature warnings.
Inspection and Installation
  • Inspection: Check for transportation damage and ensure all accessories are included.
  • Connection: Match power supply voltage with instrument requirements and ensure the power switch is off before connecting.
  • Installation: Provides steps for AC input connection and voltage remote sense connection.
Product Overview
  • Introduction: Overview of the N38300 series, including appearance, dimensions, and panel introductions.
  • Front and Rear Panels: Descriptions of buttons, knobs, and interfaces such as LAN, RS232, and CAN/RS485.
Operation
  • Modes: Includes Normal, SEQ, and Advanced Function modes with detailed instructions.
  • Functions: Covers output modes, save/recall functions, timing output, and more.
  • External Programming: Instructions for analog programming, output monitoring, and fault indication.
  • Parallel Operation: Guidelines for parallel connection and settings.
Maintenance and Self-Inspection
  • Regular Maintenance: Routine checks to ensure proper operation.
  • Fault Self-inspection: Procedures for identifying and addressing faults.
Main Technical Data
Technical specifications and data for the N38300 series are provided in detail.
Connection
  • Single Unit AC Input Connection: Details not provided.
  • Multiple Units AC Input Connection: Balance access points across L1, L2, and L3 terminals for units 5kW to 12kW. Grid imbalance is not a concern for units 15kW and above.
Voltage Remote Sense Connection
  • Compensates for voltage drop due to wire resistance. Recommended wire: 0.5mm² to 1mm², twisted.
  • Voltage compensation: <1.5V for models @ 80V, <5V for models above 80V.
Power-on Test
  • System Self-test: Checks converter module, calibration data, and file parameters.
  • Output Inspection: Verify voltage and current functions without load and during short-circuit conditions.
Remote Operation
  • Supports RS232 and LAN interfaces for remote control. Ensure correct cable connections and unique IP addresses.
Product Overview
  • N38300 Series: High power density, programmable DC power supply with up to 18kW in a 19-inch 3U chassis. Efficiency up to 93%, power range up to 180kW, current up to 5100A, voltage up to 2250V.
  • Main Features: High voltage/current accuracy, multiple control methods, LAN and RS232 interfaces, optional GPIB, CAN, RS485, USB, and various protection features.
Operation
  • Device enters Normal mode upon startup. Menu options include SEQ, master-slave parallelism, advanced functions, and more.
  • Test Interface: Displays device specifications, readback area, status information, warning area, operation information, and parameter setting area.
Alarm and Protection
  • Includes over voltage, over current, overpower, under voltage, over temperature, and emergency stop protections. Alarms trigger immediate output shutdown and require manual reset.
Protection Mechanisms
  • Over Current Protection (OCP): Hardware threshold at 105% of rated current, triggering an OC alarm.
  • Over Power Protection (OPP): Similar to OCP, with a hardware threshold at 105% of rated power.
  • Under Voltage Protection (LVP): Software-based, with settable thresholds.
  • Over Temperature Protection (OTP): Triggered by high ambient temperature or poor ventilation.
  • External Communication Timeout (CMF): Monitors communication with the host computer.
  • Emergency Stop: An input terminal allows for an emergency stop, turning off output immediately.
  • Module Failure (MF): Stops output and displays MF in case of power module failure.
Operating Modes
  • Normal Mode: Default mode upon startup, allowing stable output within the full power range.
  • SEQ Mode: Includes SEQ Test and SEQ Edit functions for simulating complex voltage and current waveforms.
  • Advanced Functions: Includes RES for internal resistance simulation and RAMP for voltage ramp testing.
Output Functions
  • Output Modes: Constant Voltage (CV), Constant Current (CC), and Constant Power (CP) modes are available.
  • Save/Recall: Allows saving and recalling up to 20 groups of test parameters.
  • Timing Output: Supports setting a timing duration up to 31 days.
  • CC/CV Priority: Allows selection of priority mode to handle capacitive or inductive loads effectively.
  • GPIO: Manages voltage increments for dissipators.
  • Voltage/Current Slew Rate: Adjustable settings to meet specific test requirements.
  • Power-off Memory: Restores parameters from the last shutdown upon power-up.
External Programming and Monitoring
  • Analog Programming: Supports external control of voltage, current, and power via a 0~5V DC signal.
  • Output Monitoring: Provides analog monitoring of output voltage and current.
  • Output Mode Monitoring: Uses a 5V TTL signal to indicate CV, CC, or CP mode operation.
  • Fault Indication Monitoring: Uses a 5V TTL signal to indicate normal operation or faults.
  • On/Off External Control: Allows external triggering via a physical switch or 0~5V signal source.
External Control Mode
The N38300 device responds to input signals based on the external control mode, which can be set to Off, Toggle, or Hold.
Limit Parameters
The device allows setting upper and lower limits for voltage, current, and power to protect test objects.
Parallel Connection
The N38300 supports parallel connection of up to 10 devices of the same specification.
System Mode
The device supports multiple communication protocols, including SCPI, Modbus, and CANopen.
Factory Reset and Maintenance
Factory reset restores the device to its original settings. Regular maintenance includes cleaning and self-inspection.
Main Technical Data
Detailed specifications for the N38318-1000-40 model, including voltage, current, power ranges, accuracy, and environmental operating conditions.
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Catalog excerpts

N38300 series User Manual high power high voltage ac/dc power supply-1

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING User Manual N38300 Series Wide Range High Power Programmable DC Power Supply Hunan Next Generation Instrumental T&C Tech. Co., Ltd.

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N38300 series User Manual high power high voltage ac/dc power supply-2

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING Copyright Statement Hunan Next Generation Instrumental T&C Tech. Co., Ltd. (NGI for short) Without the prior permission and written consent of NGI, no content in this manual may be reproduced in any form (including electronic storage and retrieval or translation into a foreign language). NGI shall not be liable for errors or for incidental or consequential damages in connection with the provision, use or application of this manual and any information contained herein. The information provided in this manual is subject to change without...

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N38300 series User Manual high power high voltage ac/dc power supply-3

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING

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N38300 series User Manual high power high voltage ac/dc power supply-5

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING 1 Preface Dear Customers, First of all, we greatly appreciate your choice of N38300 series DC power supply (N38300 for short). We are also honored to introduce our company, Hunan Next Generation Instrumental T&C Tech. Co., Ltd.( NGI for short). About Company NGI is a professional manufacturer of intelligent equipment and test & control instruments, committed to developing, manufacturing battery simulators, power supplies, electronic loads, and many more instruments. The products can be widely used in the industries of battery, power supply,...

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N38300 series User Manual high power high voltage ac/dc power supply-6

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING 2 Safety Instructions 2.1 Safety Notes This instrument is intended for use by specific personnel. Such personnel need to be able to recognize shock hazards and be familiar with necessary safety precautions to avoid potential injury. Please read and follow all installation, operation, and maintenance information carefully before using this instrument. For complete product specifications, please refer to this manual. If the instrument is used in a manner not specified, the protective functions provided by the instrument could be impaired....

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N38300 series User Manual high power high voltage ac/dc power supply-7

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING Before operating the instrument, please make sure the power cord is connected to a properly grounded electrical socket. Before each use, please inspect connecting cables, test leads, and jumpers for frayed or broken wires. Please be careful when there is a risk of electric shock during use. Hazardous voltages may be present in the cable connector jacks or test fixtures. There is a danger of electric shock when the voltage level exceeds 30Vrms, 42.4Vpeak or 60V DC, please take precautions. During the operation and use of this instrument,...

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N38300 series User Manual high power high voltage ac/dc power supply-8

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING The following terms or symbols may appear in this manual or on the instrument. Remarks/Notes indicate reminders. It requires an attention before performing an operational step, and provides the operator with tips or supplementary information. arnings Warnings indicates danger. It requires an attention before performing an operational step, and indicates conditions and actions that may endanger the life of the operator. Be sure to read the relevant information carefully before performing the specified procedure. Table 1 Safety Symbols

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N38300 series User Manual high power high voltage ac/dc power supply-9

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING 3 Inspection and Installation 3.1 Inspection After receiving N38300, please check the instrument according to the following steps: 1. Check whether the instrument is damaged during transportation. 2. Check accessories. 3. Make sure the following accessories are attached. Note 1: If any severe damage to the package, please contact our authorized distributor or NGI. Send it back after getting a positive response. 2: If no problem, please keep it carefully. Compliance with packing requirements when returning for service.

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N38300 series User Manual high power high voltage ac/dc power supply-10

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING 3.2 Connection Before connecting the power cord, observe the following precautions to prevent electric shock and damage to the instrument: 1. Make sure that the power supply voltage matches the rated power supply voltage of the instrument; 2. Make sure the power switch is off. 3.3 Installation 3.3.1 AC Input Connection 3.3.1.1 Single Unit AC Input Connection Single Unit AC Input Connection 3.3.1.2 Multiple Units AC Input Connection When multiple 5kW, 6kW, 10kW, and 12kW units are connected to the grid simultaneously, it is recommended...

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N38300 series User Manual high power high voltage ac/dc power supply-11

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING Figure 2 Multiple 5kW/6kW/10kW/12kW Units AC Input Connection 3.3.2 Voltage Remote Sense Connection When N38300 is working, due to the parasitic resistance of the wire, the voltage at the load input terminal will be lower than the voltage at N38300 output terminal after the current flows through the wire, which will affect the output accuracy of N38300. N38300 series supports remote sense to compensate the voltage drop. When using remote sense, please connect S+ to load input+ and connect S- to load input-. After remote sense terminal...

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N38300 series User Manual high power high voltage ac/dc power supply-12

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING Note 1. The sense wires can be red and black wires with a cross-sectional area of 0.5mm² to 1mm². It is recommended the sense wire should be twisted. 2. Voltage compensation for models @ 80V is less than 1.5V. Voltage compensation for models above 80V is less than 5V. 3.4 Power-on Test After N38300 is powered on, please check the device according to the following steps.  Power-on test includes two parts: system self-test and output inspection. 1. System self-test After the power cable is connected and power switch is pressed, N38300...

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N38300 series User Manual high power high voltage ac/dc power supply-13

ELECTRONIC SOLUTION PROVIDER FOR INTELLIGENT MANUFACTURING it will stay in the above interface. Please contact NGI for solution. Without affecting the use, users can press [Enter] to enter the application interface. 2. Output Inspection  Output Voltage Inspection Steps to verify N38300’s basic voltage function without connecting to a load: 1.Press the power switch. 2.Make sure the output is in off state. 3.Make sure the output positive and negative polarities are open-circuited. 4.Set voltage to 1V. 5.Set current to higher than 1A. 6.Turn on output. 7.Check if the readback voltage is close to...

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