What Is An Inverter Microwave?

Have you ever wondered what an inverter microwave is? This article will shed some light on this innovative kitchen appliance and explain how it differs from conventional microwaves. An inverter microwave is designed to provide precise and consistent heat distribution, resulting in evenly cooked food. We’ll explore the technology behind inverter microwaves and discover why they have become a popular choice among home cooks. So, if you’re curious about the science behind this modern cooking marvel, keep reading to find out more!

The Basics of Inverter Microwaves

Definition of Inverter Microwave

An inverter microwave is a type of microwave oven that utilizes inverter technology to control the power output. Unlike traditional microwaves that use a simple on/off power system, an inverter microwave can adjust the power levels of the magnetron, the component responsible for creating microwave radiation. This allows for more precise and consistent control of heating and cooking.

Working Principle of Inverter Microwaves

Inverter microwaves work by using an electronic circuit to convert the AC power supply into a stable DC voltage. This DC power is then converted into a high-frequency AC signal, which powers the magnetron. The inverter circuitry controls the power output by adjusting the frequency and intensity of the AC signal. By varying the power levels, inverter microwaves can provide more consistent heating and cooking results compared to traditional microwaves.

Advantages of Inverter Microwaves

Consistent Heating

One of the key advantages of inverter microwaves is their ability to provide consistent heating. Traditional microwaves often use a method of cycling the magnetron on and off at full power to regulate the heat output. This can result in uneven heating, with some areas of the food being overcooked while others remain cold. In contrast, inverter microwaves can maintain a constant power output, ensuring that food is heated uniformly throughout.

Improved Cooking Control

With the adjustable power levels offered by inverter microwaves, you have greater control over the cooking process. This means you can choose the appropriate power level for different types of food, allowing for more precise cooking. Whether you need to defrost, simmer, or boil, the ability to adjust the power output enables you to achieve the desired results with ease.

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Energy Efficiency

Inverter microwaves are known for their energy efficiency. Rather than switching the magnetron on and off at full power, inverter technology allows for the continuous adjustment of power levels based on the cooking requirements. This results in less energy wastage and ultimately helps reduce electricity consumption.

Reduced Cooking Time

Due to the ability to provide consistent and precise heating, inverter microwaves are often faster at cooking food than traditional microwaves. With even distribution of heat throughout the entire cooking process, you can expect reduced cooking times, saving you valuable time in the kitchen.

What Is An Inverter Microwave?

Comparison with Traditional Microwaves

Pulse-based Power Output

Unlike traditional microwaves that rely on pulse-based power output, inverter microwaves provide a smooth and continuous flow of power. With pulse-based power, the magnetron cycles on and off at full power, resulting in uneven heating. In contrast, the continuous power output of an inverter microwave ensures consistent heat distribution for more evenly cooked food.

Adjustable Power Levels

While traditional microwaves usually only offer limited power settings, inverter microwaves provide a wide range of adjustable power levels. This allows for precise control over the cooking process, enabling you to choose the most suitable power setting for different types of food. Whether you need gentle defrosting or high-power grilling, an inverter microwave can accommodate your needs.

Even Heat Distribution

Inverter microwaves excel in providing even heat distribution. Traditional microwaves often have hot spots and cold spots within the cooking cavity, leading to unevenly cooked food. In contrast, the continuous power output of an inverter microwave ensures that heat is evenly distributed, resulting in consistent cooking results.

No Cold Spots

Cold spots are a common problem in traditional microwaves, where certain areas of the food are left unheated or undercooked. Inverter microwaves eliminate cold spots with their ability to provide consistent and even heat distribution. This ensures that every part of the food is thoroughly cooked, leaving no cold spots.

Features and Functions of Inverter Microwaves

Sensor Cooking

Many inverter microwaves come equipped with sensor cooking technology. This feature detects the steam or moisture levels inside the microwave during the cooking process and adjusts the cooking time and power level accordingly. Sensor cooking takes the guesswork out of cooking, ensuring that your food is cooked to perfection every time.

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Turbo Defrost

Inverter microwaves often feature a turbo defrost function, which allows for rapid and efficient thawing of frozen foods. This feature utilizes lower power levels and a quick pulse of heat to evenly defrost the food, reducing the risk of partially cooked or overcooked edges.

Keep Warm Function

The keep warm function in inverter microwaves allows you to keep your food warm without further cooking it. This is particularly useful when you have prepared a meal in advance or when you need to keep food warm until serving. The keep warm function helps maintain the desired temperature of the food without compromising its quality.

Quick Minute

The quick minute feature found in many inverter microwaves allows you to add an extra minute of cooking time with a single press of a button. This is convenient when you need to extend the cooking time slightly or when you want to give a final burst of heat to your food.

Delay Start

The delay start function in inverter microwaves enables you to set a specific time for the microwave to start cooking. This is useful when you want to have a meal ready at a specific time, but you are not available to start the cooking process manually. By setting the delay start, you can have your food cooked and ready when you need it.

Child Lock

For added safety, many inverter microwaves come with a child lock feature. This feature prevents children from inadvertently operating the microwave or accessing it while it is in use. The child lock provides peace of mind, knowing that your microwave is secure and cannot be tampered with.

What Is An Inverter Microwave?

Popular Brands and Models of Inverter Microwaves

Panasonic NN-SD975S

The Panasonic NN-SD975S is a popular inverter microwave model known for its powerful performance and spacious cooking capacity. With its 2.2 cubic feet capacity, this microwave can handle larger dishes and cookware. It features sensor cooking and turbo defrost functions, as well as a variety of pre-programmed settings for convenience.

Toshiba EM131A5C-BS

The Toshiba EM131A5C-BS is a highly-rated inverter microwave that offers a combination of performance and affordability. It has a 1.2 cubic feet capacity and features sensor cooking, quick minute, and keep warm functions. With its sleek design and easy-to-use interface, this Toshiba model is a popular choice among consumers.

Samsung MG14H3020CM

The Samsung MG14H3020CM is a versatile inverter microwave that combines microwave and grill capabilities. With its 1.4 cubic feet capacity, this model allows for a wide range of cooking options. It features sensor cooking, a ceramic enamel interior for easy cleaning, and a grilling element for added versatility in cooking.

GE Profile PEB9159SJSS

The GE Profile PEB9159SJSS is a premium inverter microwave that offers advanced features and a sleek design. With its 1.5 cubic feet capacity, it provides ample space for cooking various dishes. This model includes sensor cooking, a delay start function, and a child lock feature. It also features a stainless steel exterior that adds a touch of elegance to any kitchen.

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Tips for Using an Inverter Microwave

Follow Manufacturer’s Instructions

To ensure optimal performance and safety, it is important to carefully read and follow the manufacturer’s instructions for your specific inverter microwave model. This includes guidelines on power usage, maintenance, and safety precautions.

Utilize Power Levels Appropriately

Take advantage of the adjustable power levels of your inverter microwave. Use lower power levels for gentle defrosting or simmering, and higher power levels for quick cooking or boiling. Adjusting the power levels allows for more precise cooking control and helps prevent overcooking or undercooking.

Use Microwave-Safe Containers

When using your inverter microwave, always use microwave-safe containers and cookware. These are specifically designed to withstand the heat and microwave radiation. Avoid using metal or containers that are not designated safe for microwave use, as they can cause damage to your microwave and potentially create safety hazards.

Rotate and Stir Food while Cooking

To promote even cooking, rotate or stir your food periodically during the cooking process. This helps distribute the heat more evenly, reducing the chances of cold spots or unevenly cooked areas. Use microwave-safe utensils to handle and stir the food to ensure your safety.

What Is An Inverter Microwave?

Common FAQs about Inverter Microwaves

Are Inverter Microwaves Safer than Traditional Microwaves?

Inverter microwaves are generally considered safe to use, just like traditional microwaves. However, it is important to follow the manufacturer’s instructions and take necessary safety precautions when operating any microwave oven. Always use microwave-safe containers, avoid overheating liquids, and keep the microwave clean to prevent potential hazards.

Can Inverter Microwaves Reheat Food?

Yes, inverter microwaves can be used to reheat food. With their adjustable power levels and even heat distribution, inverter microwaves are effective at reheating leftovers or pre-cooked meals. Follow the recommended power level and cooking time for the specific food item to ensure optimal results.

Do Inverter Microwaves Have Grill or Convection Features?

While some inverter microwaves may have additional features, such as grill or convection capabilities, not all models include these functions. Inverter microwaves typically excel at providing precise and consistent heating, but if you specifically need grilling or convection features, it is important to verify the specifications of the model you are considering.


Inverter microwaves offer several advantages over traditional microwaves, including consistent heating, improved cooking control, energy efficiency, and reduced cooking time. Their pulse-based power output, adjustable power levels, even heat distribution, and lack of cold spots make them a popular choice for those seeking a more precise and reliable cooking experience. With features such as sensor cooking, turbo defrost, and keep warm functions, inverter microwaves provide convenience and efficiency in the kitchen. Popular brands such as Panasonic, Toshiba, Samsung, and GE offer a variety of models that cater to different needs and preferences. By following the manufacturer’s instructions, utilizing power levels appropriately, using microwave-safe containers, and practicing proper food rotation and stirring, you can make the most out of your inverter microwave and enjoy safe and delicious meals every time.