ETO ENGINEER

Synchronous Motor Startup Methods A synchronous motor is an AC electric machine where the rotor rotates at the same speed as the stator’s magnetic field. ✅ Article ➡️ https://www.eto-engineer.com/2025/03/synchronous-motor-startup-methods.html #asynchronousmotor #motor #synchronousmotor #VFD

A #Blackout Test of an emergency generator on a vessel is conducted to ensure that the emergency power system, including the emergency #generator, functions properly during a total power failure or blackout scenario. This test is critical for verifying compliance with #SOLAS (Safety of Life at Sea) requirements and ensuring the safety and operational readiness of the #vessel. Here’s an overview of the test procedure: Objective • Confirm that the emergency generator automatically starts and supplies power to essential systems when the main power supply fails. • Verify the proper operation of #emergency switchboards and essential equipment powered by the emergency generator. Preparation 1. Risk Assessment: • Conduct a risk assessment to minimize hazards during the test. • Inform the crew about the test schedule. 2. Verify System Status: • Ensure the main power supply is stable before initiating the test. • Check the fuel, lubrication, and cooling systems of the emergency generator. 3. Isolate Non-Essential Loads: • Disconnect or isolate non-essential loads to prevent system overload. 4. #Backup Preparation: • Keep essential personnel and tools ready to address any issues during the test. Test Procedure 1. Simulate Blackout: • Shut down the main generator or open the main breaker to simulate a blackout. 2. Emergency Generator Activation: • Observe if the emergency generator starts automatically within 45 seconds (as required by SOLAS). • Check that the emergency switchboard is energized. 3. Load Transfer: • Verify the automatic transfer of essential loads (navigational equipment, lighting, steering, etc.) to the emergency switchboard. • Confirm the uninterrupted operation of critical systems. 4. Performance #Testing: • Monitor the generator’s performance under load for a specified duration. • Check parameters like #voltage, #frequency, and #load-sharing (if applicable). 5. Reconnection to Main Power: • Restore the main power supply and verify the smooth transition of loads back to the main system. • Ensure the emergency generator stops automatically and returns to standby mode. Post-Test Activities 1. Record Data: • Document the test results, including the time taken for the generator to start, load transition times, and any anomalies observed. 2. Inspect Systems: • Inspect the emergency generator and switchboard for any signs of stress or damage after the test. 3. Debrief: • Discuss the results with the crew and address any issues or deficiencies. 4. Report: • Prepare a detailed test report for regulatory compliance and maintenance records. Key Considerations • Ensure compliance with SOLAS regulations, #IMO guidelines, and the vessel’s safety management system (#SMS). • Perform regular #maintenance of the emergency generator to ensure reliability. • Conduct the test at intervals specified in the vessel’s maintenance plan or as required by flag state authorities.

What is the salary of an ETO? Salary of electricians on different vessels in 2025 The salary of Electro-Technical Officers (ETOs) varies significantly based on vessel type, job specifics, and the specialist's qualification level. https://www.eto-engineer.com/2025/03/what-is-the-salary-of-eto.html #ETO #salary #electrician #ElectroTechnicalOfficer

Starlink REV4 on a ship. Experience of using Starlink Internet on a ship In this article I want to share with you my experience of using Starlink on a ship, namely the Starlink REV4 antenna version. ✅ Article ➡️ https://www.eto-engineer.com/2025/03/starlink-rev4-on-ship-experience.html #antenna #communication #GPS #internet #Mikrotik #REV4 #RJ45 #satelliteinternet #shipinternet #SpaceX #Starlink

ELECTROSOLV-E by UNITOR, is a cleaner and degreaser designed for electrical equipment and components. Purpose #ELECTROSOLV-E is used for #cleaning and #degreasing electrical equipment, such as: • #Contacts and #terminals • Electric #motors • Control #panels • Printed #circuit #boards • #Generators • Power #tools Application Method 1. Turn off the equipment: Ensure the electrical equipment is powered off before cleaning. 2. Apply the cleaner: Use a brush, cloth, sponge, or spray directly onto contaminated areas. 3. Allow it to evaporate: ELECTROSOLV-E evaporates quickly, leaving the surface dry. 4. Repeat if necessary: For heavy contamination, use a brush or mechanical cleaning. Safety Precautions • Work in a well-ventilated area. • Use personal protective equipment (#gloves, #goggles). • Avoid inhaling vapors and skin contact. • Store in a tightly sealed container, away from heat and fire sources. This #cleaner is widely used in maritime, industrial, and electrical #maintenance due to its effectiveness in removing oil, grease, dust, and other contaminants from electrical equipment.

Do you think it will work after? 🤔 #ElectricityUnderWater #electricity

#Insulation #putty [ɪnˈsʌleɪʃən ˈpʌti] is a sealing and insulating compound used to protect electrical cables, connections, and penetrations. Applications: 1. Electrical installations – Protects cable joints from moisture, dust, and mechanical damage. 2. #Fire safety – Fills cable penetrations through walls and floors to prevent fire and smoke spread. 3. Sealing cable entries – Ensures tight sealing of cable connections to boxes, panels, and distribution units. 4. #Telecommunications – Used for sealing and protecting fiber optic and coaxial #cables. How to use: • Clean the surface from dust and grease before application. • Knead the putty until it becomes pliable. • Apply it to cover and seal the cable joint completely. • Shape or combine it with other sealants if needed. Some types of insulation putty are fire-resistant and #dielectric, making them essential for complex #electrical #installations.

Your job is not your life ☝️ #job #life

To #extinguish a fire in electrical installations under voltage, use non-conductive extinguishing agents, such as: 1. #Carbon #dioxide (#CO₂) extinguishers (Class C or B:C rated) – Safe for electrical equipment, leave no residue, and do not conduct electricity. 2. Dry powder #extinguishers (ABC, BC types) – Suitable for electrical fires but leave a residue that may require cleaning. 3. Gas-based extinguishing agents (halon replacements, inert gases) – Used in automatic #fire suppression systems. 4. #Aerosol fire suppression systems – Effective for small fires in enclosed spaces. What NOT to use: • #Water (risk of short circuits and electric shock). • #Foam (contains water, which conducts electricity). Whenever possible, power should be turned off before firefighting. If that is not an option, only use extinguishers rated for electrical fires.

The rubber insulation #mat in the photo is labeled HOLDENFLEX and complies with the #IEC 61111:2009 standard. The specifications are: • Class: 2 • Working Voltage: 17,000V • Proof Voltage: 20,000V • Withstand Voltage: 30,000V This means the mat is suitable for electrical installations up to 17 kV, providing protection against electrical hazards. Required #Certification for Rubber Mats Near Electrical Panels on Ships Rubber #mats used near electrical panels on ships must meet international electrical safety standards and maritime classification society requirements. The key certifications include: 1. #IEC 61111 – Standard for electrical insulation mats. 2. #SOLAS (Safety of Life at Sea) – General safety requirements for ships. 3. Classification Society Approvals – Certification from recognized maritime organizations like: • #DNV (Det Norske Veritas) • #Lloyd’s Register (LR) • #ABS (American Bureau of Shipping) • #RMRS (Russian Maritime Register of Shipping) Additionally, the mats should be oil-resistant, flame-retardant, and #resistant to moisture and seawater, ensuring durability in marine environments. Explanation of Parameters: • Working Voltage – Maximum operating voltage the mat can insulate against. • Proof Voltage – Test voltage the mat must withstand during certification tests. • Withstand #Voltage – Short-term maximum voltage the mat can endure without breakdown. How to Choose the Right Class: • #Class 0 – For low-voltage installations up to 1,000V (workshops, labs). • Class 1 – For up to 7,500V, used in distribution panels. • Class 2 – For up to 17,000V, suitable for high-voltage electrical cabinets. • Class 3 & 4 – For up to 36,000V, used in substations and industrial plants. For shipboard applications, Class 1 or 2 is typically sufficient, depending on the voltage of the electrical system. #RubberMats

Slowdown of main engine by lubricator feedback failure. #Wire came loose due to #vibration ⚠️ #slowdown #MainEngine #lubricator #ME

What kind of #sensor is this? #sensors

A #liferaft on a ship is one of the main survival tools in an emergency. Here’s what you need to know: 1. Types of #Liferafts • Inflatable liferafts – automatically inflate when they hit the water or when the painter line is pulled. • Rigid liferafts – do not require inflation but take up more space. 2. Liferaft Requirements • Must comply with #SOLAS (Safety of Life at Sea) and #LSA Code (Life-Saving Appliances). • Designed for a specific number of people (usually 6–150 persons). • Equipped with #navigation lights, sea #anchors, and #survival equipment. 3. Standard Equipment (may vary) • Water and food rations (for at least 48 hours per person). • First aid kit. • Signaling devices (#rockets, #flares, smoke #signals). • Repair kit and pump. • Navigation tools (#compass, sea #anchor). 4. Storage and Launching • Liferafts must be easily accessible. • Can be launched using gravity davits, throw-overboard containers, or manually. • Some liferafts have hydrostatic release units (#HRU), which automatically activate if the vessel sinks. 5. Regular Maintenance • Liferafts must be inspected every 12 months at certified service stations. • Periodic unsealing and full equipment check are required after a few years. 6. Emergency Procedure 1. Put on a life jacket. 2. Locate the liferaft and ensure it is accessible. 3. Deploy and inflate the liferaft (if not already inflated). 4. Board the liferaft using a ladder or evacuation system. 5. Stay near the distress area (if safe) and use signaling devices. 6. Conserve supplies and wait for rescue.

Cleaning sensors of Salwico Fire Alarm System #Salwico #Fire #Alarm #FireAlarmSystem #Consilium #FAS

☁️ "Marine Engineering Manuals" is a cloud of instructions, videos, courses and literature (a closed channel and chat for electricians and engineers). 💡This channel provides a lot of manuals, courses, videos, instructions, drawings, as well as software, firmware for equipment and educational literature. The information on the channel is available online and offline. Just download it to your device and always have access to it, even in the ocean without communication. The database of instructions is updated every day. ⚓️ The channel currently has tens of thousands of files in the form of instructions, drawings, videos, software and literature. ⚙️ Here you can find instructions for both modern and obsolete equipment that is still found on ships. 🤩 The channel also posts video instructions for ship systems and equipment. ✅ In a separate closed channel chat, you have the opportunity to search for the necessary information, the admins always try to find the necessary manual for you. 🆓 The closed chat is available for free, apply 👉 LINK 🔗 https://t.me/+KwFxR-xWVG8wYmIy ➡️ The material on the channel is not publicly available and cannot be distributed. This is done so that any information can be posted, as well as so that the project can exist for a long time and without problems. ☝️ Access to the channel is symbolically paid. The channel has online and offline backups that need to be constantly updated and kept up to date. ⭐️ Access to the channel is paid monthly via the link 🔗 https://t.me/+0HEGkYMMH2w0YWEy (you can unsubscribe or subscribe again at any time). ☝️ When your subscription to the main channel ends, you will still have access to the chat, but the material from the main channel will no longer be available until you pay for the monthly subscription. #closedchannel #instructions #drawings #manuals #paidsubscription #uniquecontent #ETOmanuals #ETO #MEM #MarineEngineeringManuals #EngineeringManuals

What You Need to Know About #Wire #Twisting Wire twisting is a method of connecting #wires, but it has several important considerations: 1. Reliability of the Connection • A simple #twist without soldering or welding is unreliable, as it can #oxidize and fail over time. • It’s better to use #welding, #soldering, or special terminal blocks (e.g., #WAGO, screw #terminals). • For high-current loads, a twist can heat up and cause overheating of the #wiring. 2. Wire Compatibility • #Copper + Copper – Can be twisted, but soldering or terminal blocks improve reliability. • #Aluminum + Aluminum – Possible, but aluminum is brittle and can break. • Copper + Aluminum – Not allowed without special connectors due to electrochemical corrosion. 3. Proper Twisting Technique • Strip the insulation about 1.5–2 cm. • Twist the wires tightly, ensuring good contact. • Secure with soldering or welding if necessary. • #Insulate with #heat #shrink tubing, electrical tape, or wire nuts. 4. Where It Can and Cannot Be Used ✔ Allowed for: • Temporary connections. • Low-voltage circuits (e.g., alarm systems). ❌ Not allowed for: • Permanent electrical wiring (especially hidden wiring). • High-power connections (#outlets, large appliances). For a reliable connection, it’s better to use terminal blocks, #crimp connectors, or welding. Twisting is more of a temporary or emergency solution.

Insulation Resistance of an Electric Motor Relative to the Frame: Permissible Standards The permissible standards for the #insulation #resistance of an electric motor relative to its frame depend on the motor type, rated voltage, and regulatory requirements. Basic Standards: 1. Minimum Insulation Resistance (Dry Insulation): • For new motors: not less than 1 MΩ per 1 kV of rated voltage (e.g., for a 400 V motor, it should be ≥ 0.4 MΩ). • For motors in operation: a decrease to 0.5 MΩ is acceptable, but significant reduction below this value may limit operation. 2. According International Standards: • As per international standards (e.g., #IEC 60034-1), the minimum insulation resistance is generally defined as 1 MΩ per 1 kV of the motor’s rated voltage. • However, for operating equipment, the minimum resistance can be reduced to 0.1 MΩ, provided this is in line with operational guidelines and there are no signs of #current leakage. 3. Measurements: • Measurements are performed using a #megohmmeter at a test #voltage of 500 V, 1000 V, or 2500 V, depending on the motor’s voltage class. • Tests should only be conducted on a completely de-energized motor, free from condensation. Important Recommendations: • If the insulation resistance is below the permissible level, the motor must be dried or the insulation repaired. • Regular insulation resistance checks help prevent failures and extend the motor’s service life.

#zero #calibration #OWS #BilgMon488 #BilgMon

Main engine shaft or propeller shaft? It depends on what part of the propulsion system you’re referring to. • #MainEngine Shaft (Crankshaft): This is inside the engine and converts the engine’s power into rotational motion. • Intermediate #Shaft: If present, this connects the main engine to the propeller shaft in longer shafting arrangements. • #Propeller Shaft (Tail Shaft): This is the final shaft that passes through the stern tube and connects to the propeller, transmitting power to the water. On a #vessel, when people say “shaft,” they usually mean the propeller shaft, unless they are working inside the engine room specifically on the #engine itself.

#Harnesses for Working at Heights: What You Need to Know Harnesses for working at heights are a crucial part of personal protective equipment (#PPE) designed to prevent falls. Here are the key things to consider: 1. Types of Harnesses • Work Positioning #Belts – Used to maintain a working position but do not protect against falls. • Full-Body Harnesses – Provide fall protection by distributing impact forces across the body. • Rescue Harnesses – Designed for emergency evacuation and rescue operations. • Combination Harnesses – Offer both positioning and fall protection functions. 2. Construction Features • Straps (shoulder, leg, and waist) • Adjustable buckles for a secure fit • D-rings for attachment to safety systems • Shock absorbers and carabiners 3. #Safety Standards and Certification • #EN 361 (full-body harnesses) • EN 358 (positioning belts) • EN 813 (harnesses with attachment points for suspension work) 4. Choosing the Right Harness • Consider the type of work (construction, #rescue, industrial #maintenance, etc.). • Check compliance with safety standards. • Ensure comfort, weight distribution, and ergonomic fit. • Select the appropriate size based on height and weight. 5. Usage and Inspection Rules • Regularly inspect for wear, damage, or corrosion on metal components. • Follow manufacturer guidelines for lifespan (typically 3-5 years). • Always check the harness before use. • Do not use a damaged or expired #harness!