Improper Use of Multimeter Leads to Tripping of Two Units

Improper Use of Multimeter Leads to Tripping of Two Units

Thermal Circle is a community for power generation professionals! On 20xx xx 22xx, an incident occurred at x Power Plant where operational personnel incorrectly used a multimeter while engaging the protection panel, resulting in the tripping of units 1 and 2 due to human error. The brief situation is reported as follows. All units are … Read more

Method for Checking Internal Breakpoints in Wires Using a Multimeter

Method for Checking Internal Breakpoints in Wires Using a Multimeter

In addition to measuring basic parameters such as voltage, current, resistance, capacitance, and inductance, digital multimeters can be adapted for various uses, expanding their functionality to achieve a multi-purpose tool. Here is a method for using a digital multimeter to determine internal breakpoints in wires and cables: when there is an internal break in the … Read more

What is the Difference Between Grounding and Ungrounding an Oscilloscope?

What is the Difference Between Grounding and Ungrounding an Oscilloscope?

What is the purpose of grounding an oscilloscope? Grounding serves as the reference point for all voltage measurements, ensuring that there is a known 0V voltage point in the circuit. This is crucial for ensuring measurement accuracy, suppressing noise interference, and ensuring measurement safety. It can be observed that the power cord of a desktop … Read more

Detailed Explanation of Oscilloscope Probe Interfaces

Detailed Explanation of Oscilloscope Probe Interfaces

Oscilloscope probes come in many types based on electrical performance and usage scenarios (as shown in the figure below). However, their interface types mainly depend on the design of the oscilloscope’s input channels and the compatibility of the probes. Below are common interface types and their characteristics: 1.BNC Interface Most Common Type, widely used in … Read more

Discussion on Flash Memory II: NOR and NAND Flash

Discussion on Flash Memory II: NOR and NAND Flash

Click the “Public Account” above to subscribe! Samsung has finally emerged from the explosion scandal, driven by rising prices of DRAM and NAND, pushing Intel off its semiconductor throne after 14 years. The glory is indeed unparalleled. Although the market is expected to correct in the second half of the year, overall DRAM is still … Read more

Phison: No Need to Be Pessimistic About the NAND Flash Market, Demand is Just Deferred, Not Disappeared

Phison: No Need to Be Pessimistic About the NAND Flash Market, Demand is Just Deferred, Not Disappeared

As COVID-19 rapidly spreads globally, countries and regions have implemented “lockdowns” or “stay-at-home” policies to control the pandemic, leading to a suppression of global consumer willingness. Therefore, some analysts believe that the price of NAND Flash will sharply decline in the second half of this year due to the impact of the “coronavirus”. In response, … Read more

SK Hynix Continues to Expand NAND Flash and DRAM Production!

SK Hynix Continues to Expand NAND Flash and DRAM Production!

Recently, Samsung Electronics announced the production launch of the first phase of its Xi’an Phase II factory, and the full-scale construction of Phase II has begun, seemingly marking the start of a new round of production expansion competition.It is reported that SK Hynix also plans to increase its NAND Flash and DRAM production capacity. According … Read more

Explaining Encryption Algorithms to My Girlfriend Over the Weekend: Interested?

Explaining Encryption Algorithms to My Girlfriend Over the Weekend: Interested?

Recently, I worked on a project that involved selecting some encryption algorithms, and I would like to summarize them here to deepen our understanding of encryption. The most commonly used encryption algorithms can be summarized as one-way encryption and two-way encryption. They are quite simple and not difficult to understand. However, I believe it is … Read more

Principles and Characteristics of Encryption Algorithms DES, AES, and RSA

Principles and Characteristics of Encryption Algorithms DES, AES, and RSA

Follow+Star Public Account Number, don’t miss out on exciting content Compiled by | strongerHuang WeChat Public Account | Embedded Column Today, we will summarize the commonly used symmetric encryption algorithms DES and AES, and the asymmetric encryption algorithm RSA. Embedded Column 1 DES Encryption Algorithm1. Meaning of DESDES stands for Data Encryption Standard, which is … Read more