Key facts
- Manuals
- 8
- Categories
- 1
- Languages
- ZH · EN
- Last added
- 2012-01-17
Featured 青岛北洋电气厂 manuals
Beiyang Electric SJY-11/SJY-12 Grid Insulation Monitoring Instrument Manual
The SJY-11/SJY-12 grid insulation monitoring instrument is designed for real‑time monitoring of ground insulation resistance on ungrounded AC power systems, suitable for shipboard, mining, metallurgical and medical distribution panels. It uses a new microcontroller and display chip, offering a compact size and the ability to monitor one or two independent networks.
The manual provides system description, technical specifications, panel layout, step‑by‑step operating procedures, alarm setting, reset and confirmation functions, as well as safety precautions for installation and use in harsh environments. This manual is written in Chinese.
Covers: Overview · Technical Specifications · Panel Description · Operation Instructions · Safety Precautions
Beiyang Electric SJY-12 AC Net Insulation Monitor User Manual
The SJY-12 is an AC net insulation monitoring instrument designed for use in environments such as coal mines, oil fields and railways. It detects grounding conditions on ungrounded AC power grids and provides visual and audible alarms.
The manual describes the device structure, main parameters, working principle, installation steps, operation procedures, alarm handling, reset and test functions, as well as maintenance guidelines. This manual is written in Chinese.
Covers: Structure · Main Parameters · Working Principle · Installation · Operation · Alarms
BYAUTO VR1 Voltage Regulator User Manual
This manual describes the VR1 series of DC step‑down voltage regulators used in shipboard power systems. It explains the principle of operation, the voltage‑relay adjustment, and how to select the appropriate regulator type and step based on battery charging voltage.
The document also includes physical dimensions, load current ratings, and the temperature‑controlled fan cooling system, together with wiring diagrams and adjustment procedures for the voltage relay. This manual is written in Chinese.
Covers: Overview · Voltage Relay Adjustment · Regulator Selection · Model Designation · Physical Dimensions · Temperature Controlled Fan Cooling
Qingdao Northern Electric VR1 DC Buck Regulator User Manual
This manual describes the VR1 series DC buck regulators used to step down shipboard power supplies to a stable load voltage. It explains the principle of operation, including the series diodes that drop voltage and the bypass circuit that raises voltage when the input falls.
The document also covers relay adjustment (W1, W2), selection of regulator type and voltage step, physical dimensions, load current ratings, and temperature‑controlled fan cooling that activates around 45 °C. This manual is written in Chinese.
Covers: Overview · Voltage Relay Adjustment · Regulator Selection · Model Specification · Physical Dimensions · Temperature‑Controlled Fan Cooling
Latest 青岛北洋电气厂 manuals
Beiyang Electric SJY-11/SJY-12 Grid Insulation Monitoring Instrument Manual
User Manual 5 pages · 44 KB · ZHUser manual for the Beiyang Electric SJY-11/SJY-12 grid insulation monitoring instrument, covering specifications, operation and safety.
Qingdao Northern Electric Factory SJY-1 alternating Electricity Network digital Insulation monitoring Instrument Manual
Beiyang Electric SJY-12 AC Net Insulation Monitor User Manual
User Manual 7 pages · 53 KB · ZHUser manual for the Beiyang Electric SJY-12 AC net insulation monitor, covering specifications, operation, alarms and maintenance.
BYAUTO VR1 Voltage Regulator User Manual
User Manual 4 pages · 31 KB · ZHThe BYAUTO VR1 voltage regulator user manual provides specifications, wiring diagrams, and operating instructions for shipboard DC power systems.
Qingdao Northern Electric VR1 DC Buck Regulator User Manual
User Manual 4 pages · 32 KB · ZHThe Qingdao Northern Electric VR1 DC buck regulator user manual provides overview, wiring, adjustment, selection, dimensions and cooling instructions.
Beiyang Electric KCG3 Intelligent Charger User Manual
User Manual 9 pages · 165 KB · ENUser manual for the Beiyang Electric KCG3 intelligent charger covering installation, operation, settings and protection features.
Northern Electric KCG2 Automatic Charger User Manual
User Manual 6 pages · 253 KB · ZHUser manual for the Northern Electric KCG2 series automatic charger, covering operation, specifications, and safety features.
Beiyang Electric KCG2 Automatic Charger User Manual
User Manual 6 pages · 253 KB · ZHThe Beiyang Electric KCG2 automatic charger user manual provides installation, operation, and safety instructions for the KCG2 series chargers.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in 青岛北洋电气厂 manuals
Can the instrument be used on grounded or shore power grids?
No. It must not monitor grounded or shore power grids; when a ship uses shore power, the instrument’s power must be disconnected.
From: Beiyang Electric SJY-11/SJY-12 Grid Insulation Monitoring Instrument Manual
What is the required power supply for the SJY-12?
The instrument requires a 220 VAC power supply.
From: Beiyang Electric SJY-12 AC Net Insulation Monitor User Manual
What is the measurement range of the insulation monitor?
It can measure resistance from 0.000 MΩ up to 9.999 MΩ.
From: Beiyang Electric SJY-12 AC Net Insulation Monitor User Manual
What is the voltage regulation step for the VR1‑3 model?
The VR1‑3 regulator provides a 3 V step‑down voltage difference.
How is the temperature‑controlled fan activated?
When the regulator temperature exceeds about 45 °C, the fan automatically starts.
What voltage step does the VR1‑3 regulator provide?
The VR1‑3 regulator provides a voltage step of 4.5 V.
From: Qingdao Northern Electric VR1 DC Buck Regulator User Manual