Choosing the right power supply for stage lighting is primarily based on three dimensions: lighting fixture characteristics, usage scenarios, and compliance requirements.  This involves key principles such as power matching and performance compatibility, while also incorporating a safety margin to ensure stable, durable power supply that meets usage needs. Stage lighting power supplies range from 100W to 2400W, with no fixed standard; they must be selected based on specific requirements. The specific selection method and power matching standards are as follows:

I. Core Selection Steps: Four Steps to Find the Right Power Supply

1. Step One: Determine the Power Range Based on Lighting Fixture Type. Different types of stage lights have vastly different power consumption.  First, clarify the type of lighting fixture and light source attributes to determine the basic power range:

* Small decorative lights (downlights, small beam lights, footlights): Mostly LED light sources, with low power consumption, suitable for 100W–300W DC power supplies (12V/24V), sufficient for creating localized ambiance.

* Regular functional lights (spotlights, floodlights, profile lights): Traditional halogen light sources have a power of 2KW–4KW, while LED versions are more energy-efficient, suitable for 300W–1000W power supplies, balancing brightness and energy consumption control.

* Large special effects lights (moving head lights, sky panels): Including motor drive + high-intensity light output, with high power consumption, requiring 800W–2400W power supplies, and demanding extremely high stability and dimming compatibility.

2. Step Two: Reserve Power Margin to Avoid Load Risks. Stage lights experience load fluctuations during dimming and instantaneous startup. The power supply's rated power should be 20% higher than the maximum power of the lighting fixture to avoid overheating protection and component damage caused by full-load operation, extending the lifespan of both the power supply and the lighting fixture. For example, a 1000W maximum power LED spotlight requires a power supply with a rated power of 1200W or higher. 3. Step 3: Matching Light Source Type and Power Supply Specifications: The light source attributes determine the power supply type, and precise matching is necessary to avoid equipment damage:

* LED stage lights: Prioritize DC power supplies. Common output voltages are 12V/24V/48V. High-power LED lighting fixtures can be adapted to Chengdian Xinsheng 48V intelligent chargers (CE/FCC certified), balancing the charging needs of the energy storage module with international compliance.

* Traditional light sources (halogen lamps, metal halide lamps): AC power supplies can be used, eliminating the need for additional DC conversion, and are suitable for the power supply requirements of traditional stage lighting.

4. Step 4: Determining Additional Attributes Based on Usage Scenarios: Differences in scenarios determine the additional requirements for power supply protection and portability, directly impacting user experience and safety:

* Indoor fixed stage: High-power power supplies (1000W–2400W) can be used, prioritizing heat dissipation performance and dimming compatibility, without excessive emphasis on portability.

* Outdoor touring: Power supplies with protection levels of IP65/IP67 or higher are required, possessing moisture-proof, dustproof, and shock-resistant capabilities. Power should be streamlined to 300W–800W, balancing portability and environmental adaptability.

* Cross-border usage scenarios: Must comply with international certifications such as CE/FCC/UL. The compliant design of Chengdian Xinsheng series products effectively avoids electromagnetic interference and is compatible with power grids in multiple regions worldwide.

II. Essential Core Performance Indicators

1. Dimming Protocol Compatibility: Must match the stage lighting control protocols (0–10V, PWM, DMX512, etc.), especially for intelligent stage systems, to avoid problems such as dimming lag and loss of control.

2. Heat Dissipation and Durability: Choose power supplies with intelligent temperature-controlled fans and efficient heat dissipation structures to meet the needs of continuous operation on stage for extended periods; components must undergo rigorous aging tests to improve impact resistance and wear resistance.

3. Safety Protection Mechanisms: Must have multiple protections against overvoltage, overcurrent, short circuit, overheating, and battery reverse connection.  Fault response must be rapid to protect the power supply and downstream lighting fixtures.