1. 서론
The KORAD KA3010P is a high-precision, single-channel, constant-voltage and constant-current DC linear power supply designed for laboratory, educational, and production environments. It features low ripple and noise, high reliability, and high accuracy. The voltage and current outputs are continuously adjustable, and the unit includes programmable storage settings for convenience.
주요 특징은 다음과 같습니다.
- Compact design with dual 4-digit LED displays for voltage와 현재.
- Digital controls for precise adjustments.
- Four programmable memory settings (M1-M4) for quick recall of parameters.
- Output switch control for safety and convenience.
- Comprehensive circuit protection: over-load, short-circuit, and over-temperature.
- Automatic switching between mA and A display.
- Switchable power input (110V/220V).
2. Unit Features Overview
This section details the primary features of the KORAD KA3010P power supply.
그림 2.1: 이상view of KORAD KA3010P Unit Features.
2.1 Power & Protection
The unit is a 30V/10A benchtop power supply equipped with built-in over-current and over-voltage protection. It also features a dedicated on/off button for controlling the unit's output, allowing for safe connection and disconnection of loads without powering down the entire unit.
2.2 Memory Settings (M1-M4)
Four dedicated memory locations (M1, M2, M3, M4) are available to store frequently used current and voltage settings. This allows for quick recall and switching between desired test settings, enhancing operational efficiency.
2.3 Bright 4-Digit LED Display
The power supply features a bright, precise 4-digit LED display for both voltage and current. This display provides clear and accurate real-time readouts of the unit's output and active settings, ensuring legibility on any workbench.
2.4 Switchable Power Input
The unit's power input is easily switchable between 110V and 220V, accommodating different regional power standards. The rear panel also houses the fan air vent, which activates based on the internal temperature of the unit to ensure optimal cooling.
3. 패널 오버view
Understanding the front panel controls and indicators is essential for operating the KORAD KA3010P. Refer to the diagram below for a detailed layout.
Figure 3.1: KORAD KA3010P Front Panel Layout and Controls.
- 권tage 디스플레이(V): 현재 출력 볼륨을 표시합니다.tage.
- 현재 디스플레이(A): 현재 출력 전류를 표시합니다.
- OVP (Over-Volt Protection Active): Indicator for active over-voltag전자 보호.
- OCP (Over-Current Protection Active): Indicator for active over-current protection.
- C.C (Constant Current Mode): Indicator for constant current operation.
- CV(Constant Voltage 모드): Indicator for constant voltag전자 작업.
- OUT (Output On/Off Indicator): Shows if the output is active.
- LOCK (Front Panel Lock-Out Function): Indicator for locked front panel controls.
- M1-M4 (Setting Memory Indicator): Indicates which memory preset is active or being set.
- MEMORY (RECALL/SAVE) Buttons (M1-M4): Used to recall or save settings to memory locations.
- 잠금 해제 버튼: Used to unlock the front panel controls.
- 삐 소리 버튼: Toggles the keypad beep sound on/off.
- OCP 버튼: Toggles over-current protection on/off.
- OVP 버튼: Toggles over-voltage protection on/off.
- Off/On Button: Toggles the output power on/off.
- ADJUST Knob: Rotary encoder for setting voltag전자 및 현재 값.
- Digit Selector Buttons (<, >): Used to select the digit to adjust with the ADJUST knob.
- 권tage/Current Button: 볼륨을 전환합니다tage and current adjustment mode for the ADJUST knob.
- 전원 버튼: 장치의 주 전원 스위치입니다.
- Output Terminals (+V, +A, GND): Terminals for connecting the load. Red for positive voltage/current, Black for negative voltage/current, Green for ground.
4. 설정
4.1 초기 검사
Upon unpacking, inspect the unit for any signs of physical damage. Ensure all accessories are present. If any damage is found, contact your supplier immediately.
4.2 전원 연결
- 입력 볼륨 확인tage selector switch on the rear panel is set to match your local power supply (110V or 220V).
- Connect the provided power cord to the AC inlet on the rear panel and plug it into a grounded power outlet.
4.3 부하 연결
Before connecting any load, ensure the power supply output is turned off (OUT indicator is off). Connect your device to the output terminals:
- 부하의 양극(+) 단자를 전원 공급 장치의 빨간색(+) 출력 단자에 연결합니다.
- 부하의 음극(-) 단자를 전원 공급 장치의 검은색(-) 출력 단자에 연결합니다.
- For safety and noise reduction, connect the ground (GND) terminal to the chassis ground of your setup if required.
4.4 PC Software Control (Optional)
The KA3010P can be controlled via PC software using either a USB or RS232 interface located on the rear of the unit. Drivers and software are typically provided by the manufacturer or can be downloaded from their official website. Refer to the software's specific instructions for installation and usage.
Figure 4.1: KORAD KA3010P connected for PC software control via USB.
5. 운영
5.1 기본 작업
- 를 누르세요 힘 button to turn on the unit. The LED displays will illuminate.
- 를 누르세요 권tag전자/현재 button to select whether you want to adjust voltage or current. The corresponding display will show the active setting.
- 사용하세요 < 그리고 > digit selector buttons to choose which digit of the voltage or current value you wish to adjust.
- 회전하다 조정하다 knob to change the selected digit's value.
- Once desired voltage and current limits are set, press the 끄기/켜기 button to enable the output. The 밖으로 표시등이 켜집니다.
- 출력을 비활성화하려면 누르세요. 끄기/켜기 버튼을 다시 누르세요.
5.2 Using Memory Presets (M1-M4)
5.2.1 설정 저장
- 원하는 볼륨 설정tage and current values using the ADJUST knob and digit selectors.
- 중 하나를 길게 누릅니다. M1, M2, M3, 또는 M4 buttons for approximately 2 seconds until a beep sounds, indicating the settings have been saved to that memory location.
5.2.2 Recalling Settings
To recall a saved setting, simply press the corresponding M1, M2, M3, 또는 M4 button briefly. The stored voltage와 현재 값이 로드되어 표시됩니다.
5.3 보호 기능 (OVP/OCP)
The KA3010P includes Over-Voltage Protection (OVP) and Over-Current Protection (OCP) to safeguard the unit and connected loads.
- To enable or disable OVP, press the 오비피(OVP) button. When active, the OVP indicator will light up.
- To enable or disable OCP, press the 오씨피 button. When active, the OCP indicator will light up.
- When OVP or OCP is triggered, the output will automatically shut down to prevent damage. Clear the fault condition and reset the output using the Off/On button.
5.4 Front Panel Lock-Out
To prevent accidental changes to settings, the front panel controls can be locked. Press the 잠그다 button to activate the lock function. The LOCK indicator will illuminate. To unlock, press the 터놓다 단추.
6. 유지관리
Proper maintenance ensures the longevity and reliable operation of your KORAD KA3010P power supply.
- 청소: Disconnect the power supply from the AC outlet before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use abrasive cleaners or solvents.
- 통풍: Ensure the ventilation openings on the sides and rear of the unit are clear of obstructions to allow for proper airflow and cooling.
- 저장: When not in use for extended periods, store the unit in a cool, dry place, away from direct sunlight and excessive dust.
- 퓨즈 교체: If the unit does not power on, check the fuse located near the AC inlet on the rear panel. Replace only with a fuse of the same type and rating as specified by the manufacturer.
7. 문제 해결
This section provides solutions to common issues you might encounter with your power supply.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 장치의 전원이 켜지지 않습니다. | No AC power; Blown fuse; Power switch off. | Check power cord connection and wall outlet. Verify AC input voltage selector. Replace fuse if necessary. Ensure POWER button is pressed. |
| 출력 볼륨 없음tag전자/전류. | Output is off; OVP/OCP triggered; Incorrect settings. | 를 누르세요 끄기/켜기 button to enable output. Check OVP/OCP indicators and clear fault. Verify voltage/current settings are not zero. |
| 출력 볼륨tage/current is unstable. | Poor load connection; Overload condition. | Ensure load connections are secure. Reduce load or check for short circuits in the load. |
| Front panel controls unresponsive. | Panel is locked. | 를 누르세요 터놓다 단추. |
If the problem persists after attempting these solutions, please contact KORAD customer support.
8. 사양
Detailed technical specifications for the KORAD KA3010P power supply.
Figure 8.1: KORAD KA3010P Technical Specifications.
| 일반 사양 | |
|---|---|
| 모델 | KA3010P |
| 권tag및 범위 | 0-30V |
| 현재 범위 | 0-10A |
| 제품 크기(LxWxH) | 30.48 x 25.4 x 20.32cm |
| 품목 무게 | 5.9kg |
| 입력 Voltage | 전환 가능한 110V/220V |
| Performance Specifications (at 25°C ± 5°C) | |
|---|---|
| 부하 조절(볼륨)tage) | ≤0.01% + 3mV |
| 부하 조절(전류) | 0.1% 이하 + 20mA |
| Line Regulation (Voltage) | ≤0.01% + 3mV |
| Line Regulation (Current) | 0.1% 이하 + 3mA |
| Setup Resolution (Voltage) | 10mV |
| Setup Resolution (Current) | 1mA |
| Setup Accuracy (Voltage) | ≤0.5% + 20mV |
| Setup Accuracy (Current) | 0.5% 이하 + 20mA |
| Ripple (20-20M) (Voltage) | ≤2mVrms |
| Ripple (20-20M) (Current) | ≤5mARms |
| 온도 계수(Voltage) | ≤150ppm |
| Temperature Coefficient (Current) | ≤150ppm |
| Read Back Resolution (Voltage) | 10mV |
| Read Back Resolution (Current) | 1mA |
| Read Back Temp. Coefficient (Voltage) | ≤150ppm |
| Read Back Temp. Coefficient (Current) | ≤150ppm |
Figure 8.2: KORAD KA3010P Physical Dimensions and Weight.
9. 보증 및 지원
KORAD products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please contact your local distributor or the manufacturer directly. Keep your purchase receipt as proof of purchase for warranty claims.
Manufacturer: Korad Technology
