SESS

To protect the step-down transformer from damage in the event of an ABB contactor coil failure, you need to implement additional safety measures that can detect the fault and isolate the transformer quickly. Here’s how you can protect both the contactor coil and the transformer: 1. Use a Fuse on the Transformer Secondary Side: Purpose:  Protect the transformer from overcurrent caused by a coil short circuit. How: Install a fast-acting fuse on the transformer's secondary side (24V AC side). Choose a fuse rated slightly above the normal operating current of the coil but lower than the transformer's maximum output capacity. 2. Install a Circuit Breaker with Short Circuit Protection: Purpose:  Automatically disconnect the transformer if the coil shorts out. How: Use a miniature circuit breaker (MCB) or thermal-magnetic circuit breaker on the secondary side. Ensure the breaker trips immediately upon detecting a short circuit. 3. Add a Current Monitoring Relay: Purpose: Detect abnor...

  When a step-down transformer's input catches fire within a few seconds of being switched on, it indicates a severe fault in the electrical setup or the transformer itself. Here are some potential reasons for this issue: 1. Overload or Short Circuit Cause: The connected load, such as the ABB contactor coil, might have a short circuit or is drawing more current than the transformer is rated for. Solution: Check the load and measure the current drawn by the coil. Ensure it matches the transformer’s output current rating. 2. Input Overvoltage Cause: The transformer may be designed for 230V, but the actual input voltage could be much higher. Solution: Verify the input voltage using a multimeter and ensure it is within the transformer's rated limits. 3. Winding Insulation Failure Cause: Insulation within the transformer windings could be damaged, leading to short circuits internally. Solution: Test the transformer with a megohmmeter (insulation resistance tester). Replace the...

 🌍 Ensure Reliability with Vibration Combined Climatic Test Chambers! 🌍 At Sri Easwari Scientific Solution Pvt Ltd , we recognize the importance of rigorous testing in today’s competitive industrial landscape. Our vibration combined climatic test chambers are designed to evaluate the performance and durability of your products under the most challenging conditions. Key Industrial Applications: 1. Aerospace:  Test avionics and structural materials for extreme flight conditions. 2. Automotive:  Assess sensors and vehicle assemblies against road vibrations and temperature changes. 3. Electronics:  Ensure reliability of devices and circuit boards under environmental stress. 4. Defense:  Validate communication devices and systems for harsh military conditions. 5. Telecommunications:  Test equipment robustness against vibrations and climatic variations. 6. Industrial Machinery:   Evaluate machinery components under operational stress.   Why Choose Ou...

At Sri Easwari Scientific Solution Pvt Ltd (SESS), we recently completed a major modification for a thermal shock test chamber from another brand, which had several issues impacting its performance. Here's a look at our approach: ✅ Compressor Discharge Line Fix: The original discharge pipe (3/8" copper) was not up to OEM (Bitzer) standards, leading to compressor failures. We upgraded the pipe to the recommended 22 mm (7/8") size, ensuring optimal performance. ✅ Cold Zone Inner Tank Repair: A riveted tank joint caused moisture issues, which we resolved by installing an "L" sheet with sealant for a cost-effective fix. ✅ Oil Return Line Improvement: We added a filter and ball valve for easier service and oil return monitoring. The copper pipe was replaced and properly supported to ensure a smoother oil flow. ✅ Condenser Coil & Fans Overhaul: The condenser coil was replaced, and the fan motors were not properly balanced, which was impacting performance. We modif...

A battery test chamber is a controlled environment used for evaluating the performance and safety of batteries under various conditions. These chambers can simulate a range of temperatures, humidity levels, and pressures to replicate real-world usage scenarios and extreme conditions. Key Features: Temperature Control: Precise heating and cooling systems to maintain specific temperatures. Humidity Control: Ability to regulate moisture levels for testing in different environmental conditions. Safety Features: Includes systems to handle potential hazards, such as gas emissions or thermal runaway. Data Logging: Equipment to monitor and record battery performance metrics like voltage, current, and temperature over time. Versatility: Can be used for various battery types, including lithium-ion, nickel-metal hydride, and others. Applications: Research and development: R&D of new battery technologies. Quality Assurance: Ensuring products meet safety and performance standards bef...

  Sand and Dust Test Chamber provide an environment to test the exposure of automotive and electronic components to concentrated levels of dust. These chambers are utilized in several industries and applications such as for Military & Defense, Automotive, Computer Systems, Optics and Displays, Material, Coatings, Solar Energy, etc. Moreover, our equipment is supplied with fully programmable control systems to ensure the perfect test environment. They are also fitted with full measurement systems to measure the sand & dust fallout rates, as well as the air-flow rate. The Chamber also known as Sand Test Chamber and Dust Test Chamber. Application: Automative and Aerospace, HVAC, Medical Equipment Application, Military and Defense. Key Features: Uniform Dust Distribution, Temperature Control, Particle Size Control, Observation Windows, Adjustable Test Parameters, Compliance with Standards, Safety features.

SESS specializes in manufacturing customized climatic test chambers designed to meet unique testing needs. From compact tabletop models to expansive walk-in chambers, our products offer a remarkable temperature range from 250°C to -180°C and impressive ramp rates from 0.1°C/min to 100°C/min.