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{"title":"Modular Compact Switching Power Amplifier With Advanced IGBT Technology","imgUrl":"https:\/\/img.ismap.com\/nimg\/78\/43\/84617c97db4b41817e45fccaa6e0-200x200-1\/modular_compact_switching_power_amplifier_with_advanced_igbt_technology.jpg","attrs":{"Brand Name":"Jianqiao","Model Number":"JQ","Certification":"CE","Place of Origin":"China"}}
{"title":"Modular Vibration Test Amplifier High Performance For Shaker Control","imgUrl":"https:\/\/img.ismap.com\/nimg\/b6\/e7\/917d4108abb8ea4c6fb51e7734e5-200x200-1\/modular_vibration_test_amplifier_high_performance_for_shaker_control.jpg","attrs":{"Brand Name":"Jianqiao","Model Number":"JQ","Certification":"CE","Place of Origin":"China"}}
{"title":"8 - 56 kVA Switch Mode Power Amplifier For Vibration Test Machine","imgUrl":"https:\/\/img.ismap.com\/nimg\/95\/56\/43689c19d3d5d658cb9cc4d7fa20-200x200-1\/8_56_kva_switch_mode_power_amplifier_for_vibration_test_machine.jpg","attrs":{"Brand Name":"Jianqiao","Model Number":"JQ","Certification":"CE","Place of Origin":"China"}}
{"title":"Compact Power Amplifier For Vibration Test Table 20 KVA to 70 KVA","imgUrl":"https:\/\/img.ismap.com\/nimg\/79\/6a\/4e8ba037bc3598fee4f22189000d-200x200-1\/compact_power_amplifier_for_vibration_test_table_20_kva_to_70_kva.jpg","attrs":{"Brand Name":"Jianqiao","Model Number":"JQ","Certification":"CE","Place of Origin":"China"}}
{"title":"Vibration Test Machine Power Amplifier 4Ohm Optimum load impedance","imgUrl":"https:\/\/img.ismap.com\/nimg\/ff\/aa\/b421ed17a4e70c2a0769b4a57033-200x200-1\/vibration_test_machine_power_amplifier_4ohm_optimum_load_impedance.jpg","attrs":{"Brand Name":"Jianqiao","Model Number":"JQ","Certification":"CE","Place of Origin":"China"}}
A power amplifier is a crucial component in a vibration test system, responsible for amplifying the control signal from the vibration controller to drive the vibration shaker. It essentially converts a low-power electrical signal into a higher-power signal needed to move the shaker and generate the desired vibration.
Here's a more detailed explanation:
Role of the Power Amplifier:
The vibration controller generates a small analog signal that specifies the frequency and amplitude of the vibration. This signal is not powerful enough to directly drive the shaker.The power amplifier takes this signal and amplifies it to a level that can control the shaker's movement.
Amplification Process:
The power amplifier takes the controller's signal and transforms it into a higher-voltage, higher-current signal. This higher-power signal is then used to drive the shaker's actuator, causing it to move and generate the vibration.
Types of Power Amplifiers:
There are different types of power amplifiers used in vibration testing, including linear and switching amplifiers. The specific type used depends on the size and type of shaker, with some systems using matched amplifiers.
Key Features:
Power amplifiers for vibration testing often include features like:
High efficiency:To minimize energy consumption and heat generation.
Wide frequency response:To accurately reproduce the desired vibration frequencies.
Low harmonic distortion:To ensure the vibration waveform is as clean as possible.
Safety features:Such as over-current and over-temperature protection.
Importance in the System:
The power amplifier is a critical link in the control loop of a vibration test system. Without it, the control loop would essentially stop at the controller's output, and the desired vibration levels could not be achieved.
Guangdong Jianqiao Testing equipment Co., Ltd is a globally Recognized manufacturer of high -performance testing equipemnt,specialized in Vibration Test Systems,Environmental simulation Cahmbers ,and advanced lithium battery testing solutions . With years of expertise in precision engineer,we ... Guangdong Jianqiao Testing equipment Co., Ltd is a globally Recognized manufacturer of high -performance testing equipemnt,specialized in Vibration Test Systems,Environmental simulation Cahmbers ,and advanced lithium battery testing solutions . With years of expertise in precision engineer,we ...
