150 kva Padmount Transformers
03-11 2025 | By:
Primary voltage: 6.3KV/7.2KV/11KV/13.2KV/13.8KV/34.5KV or others
Secondary voltage: 0.12KV-0.6KV or others
Connection type: Dyn11/YNyn0 or others
Standards: ANSI/IEEE, CSA/CAN, DOE
Rating: 150 kVA
Standard features of 150 kVA transformers
Four lifting hooks
Bolt terminal box with removable front guard
Hinged lift-off cabinet door
Three-point door lock with interlocking five-bolt padlock handle; the five-bolt must be removed to open the high-voltage switch
Grounding pads (one for high voltage and one for low voltage)
Steel high and low voltage compartment barriers
Nameplate
Inflatable plug and self-operated pressure relief device
Externally operated no-load tap changer
Drain valve and sampling device
150 kva Padmount Transformers Main Transformer Factory Testing
Each 150 kva Padmount Transformer manufactured by ztelecgroup undergoes a series of rigorous tests before it leaves the factory. These comprehensive tests are designed to verify that the transformer meets all technical specifications and industry standards. Our testing procedures ensure that each transformer not only meets the highest quality benchmarks, but also provides reliable performance and operational stability. Through these meticulous evaluations, ztelecgroup guarantees that our transformers are both reliable and efficient, providing long-term service and maintaining high performance throughout their life cycle:
Temperature Rise Test: Measures the temperature rise of the transformer under full load conditions to ensure that it is operating within acceptable limits.
Insulation Resistance Test: Evaluates the insulation resistance of the windings and other components to ensure that they are well insulated.
Power Factor Test: Evaluates the power factor of the transformer insulation to determine its condition.
Circuit Breaker Operation Test: Checks the operation and time of the circuit breaker used with the transformer.
Short Circuit Impedance Test: Determines the impedance of the transformer under short circuit conditions to verify its performance and stability.
Transformer Turns Ratio Test: Verifies the turns ratio of each winding to ensure that it meets the design specifications.
Partial Discharge Test: Detects and measures partial discharge activity within the transformer insulation system, which can indicate potential insulation issues.
Thermography Test: Detects hot spots using thermal imaging to ensure even temperature distribution.
Sweep Frequency Response Analysis: Measures the frequency response of the transformer to detect any mechanical or electrical issues.
Dynamic Reactance Test: Evaluates the dynamic response of the transformer to different load conditions.
Insulation Power Factor Test: Measures the power factor of the insulation system at different voltage levels to check for deterioration.
Corrosion Test: Evaluates potential corrosion of transformer components, especially in harsh environments.
Capacitance Measurement: Measures the capacitance of the transformer windings to ensure it meets design specifications.
Neutral Grounding Resistor Test: Checks the resistance and performance of the neutral grounding resistor used in the transformer system.
Load Tap Changer (LTC) Functional Test: Evaluates the operational performance and accuracy of the on-load tap changer.
Bushing Power Factor Test: Measures the power factor of the transformer bushing to ensure it is in good condition.
Magnetic Flux Density Measurement: Evaluates the magnetic flux density in the core to ensure it is functioning properly.
Frequency Response Analysis: Analyzes the transformer’s response to different frequencies to identify potential problems.
Humidity and Dielectric Strength Tests: Measures the effect of humidity on dielectric strength and performance.
Vibration Analysis: Monitors vibrations to identify any mechanical issues or imbalances in the transformer.
150 kva Padmount Transformers Speed Data
Typically, the dimensions and weight of a 150 KVA 12.47/0.415 KV three-phase benchtop transformer are as follows: width 1510 mm, depth 980 mm, height 1530 mm, and weight is 989 kg (excluding transformer oil). Designed to provide reliable performance in industrial, commercial and rural utility applications, the 150 kva Padmount Transformers meet stringent international standards such as ANSI, CSA, DOE, NEMA and IEEE. They are equipped with environmentally friendly transformer oil and are suitable for installation in a variety of environmental conditions
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