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FCEV Hit on Rear Right Side by Vehicle Entering Road from STOP Sign (1088)

The FCEV was travelling at approx. 75 km/h (80 km/h speed limit) on a straight, downhill part of the road. Another vehicles was waiting at a STOP sign on the right side, did not see the incoming FCEV and drove into the road at the moment of the FEV passing. The second vehicle hit the FCEV on the back right side. There were only body parts damaged and no hydrogen was released. There was no oil or other fluid spillage and no people were injured.The diagnostic system of the FCEV did not issue any alarm, and there were no warning lights to indicate a problem with the hydrogen systems on-board.

Fire on a Bus While Refueling (1087)

The fire developed on a hydrogen bus during filling, and was detected due to the development of smoke and a smell of burned materials.The power cable of the compressor had overheated. Two are the possible causes: (1) the cable had been wrongly installed or fixed, or (2) the electrical system had caused too high current in the cable. The corrective actions have been:(a) To ship the affected component to the manufacturing company for inspection(b) To replacement of the affected component with a new one. (c) To perform an inspection of the system on all the other buses in function.

Fire on an Alkaline Electrolyzer (1065)

A fire broke out on the insulating plastic elements of an alkaline electrolyzer in a unit of a chemical plant. The shift saw the smoke from the control room. The first action was to drain the potash into a tank provided for this purpose and to shut down the electrolyzer. The on-call electrician interrupted the electricity. The safety technician brought the fire under control in less than 10 minutes using CO2 extinguishers. After approximately six hours, the unit is restarted.

Cooling Power Loss in a Foundry (1061)

This near miss occurred at metal smelting unit of a foundry. At 9:45 a.m., due to a power outage, the cooling pumps of two furnaces containing nickel and chromium stopped. One of the two furnaces was at the end of the smelting cycle. The temperature of the metal was 1300C. Due to the stop of the cooling system, water from the public network took over the cooling function, but was not efficient, causing the cooling coil to overheat.

Road Crash involving a Fcev (1054)

The vehicle was being driven in traffic at low speed when it was struck from behind by a full-size pickup which forced the fuel-cell vehicle forward into another pickup. No hydrogen was released and no one was injured.The vehicle was extensively damaged on both front and rear ends and later declared a total loss. A vehicle data analysis indicates that the vehicle and controls operated as designed.

Dispenser Nozzle Freezing During Hydrogen Refueling (1038)

This entry refer to a series of events occurred before the date given, which corresponds to the publication of the evidences at the Int. Conference on Hydrogen Safety 2015. The nozzle/receptacle connection froze when refuelling the on-board hydrogen storage system at the lowest precooling temperature of -40 C. However, freezing did not cause apparatus damage nor hydrogen leakage. The nozzle/receptacle is thus able to fuel safely even if the nozzle/receptacle is stuck due to ice.

Leakage of Potassium Hydroxide from a Water Electrolyzer (1037)

The incident consisted of a leakage of potassium hydroxide solution (KOH) from an alkaline electrolyzer in a renewable hydrogen production plant. One webpage news reported that smoke formation triggered the fire alarm system. According to the manufacturer, the equipment shut down and automatically went into safety mode in accordance with the integrated safety system.Nobody was injured in the event and there was no damage on the environment.

Forced Landing of the First Hydrogen Fuel Cell Powered Test Aircraft (991)

A hydrogen and batteries driven aircraft was forced to land after a flight incident. According to the aircraft company the aircraft was forced to an emergency landing, but landed normally on its wheels in a flat grass field and almost came to a stop, but was damaged as it caught the left main gear and wing in the uneven terrain at the end of the field at low speed.According to the sources, the flight conformed to the approved test route over the airport, and that the aircraft structural integrity was maintained throughout the incident sequence.

Fire on a Truck Transporting Various Flammable Gases (948)

A truck driver carrying compressed gas cylinders loaded on pallets stopped on the emergency stop lane of a highway after a tyre burst. The gases transported were: 120 m of oxygen, 24 acetylene cylinders, 106.80 m of hydrogen, 120 m of nitrogen, and 3.6 m of B20 balloon gas. Seeing smoke from an axle, the driver of the vehicle uncoupled and moved the tractor away and warned the emergency services. Firemen were called to stop the fire: they extinguished the fire kept cooled the gas bottles and extinguished the fire two and a half hours later.

Fire on Board of the Hydrogen-Propelled Passenger Ship (945)

The boat was performing a drive test when one of the 280 lead gel batteries exploded and took fire. The local fire brigade was able to extinguish the fire but the above deck section of the boat was extensively damaged. According to Volger and to Wannemacher (see references), the automatic fire-alarm system of the hydrogen storage and the fuel cells were "brought in a safe state" and did not suffered any damage.
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