Current operating reactors don't have the design, constructions and operational flaws of Chernobyl. Current reactors don't have large positive void coefficient, instabilities at low power levels, manual controlling, slow control rods movements, computers from the 1960s.
Your mobile phone can do more computation in a milisecond that Chernobyl could do in minutes.
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SKALA (Russian: СКАЛА, система контроля аппарата Ленинградской Атомной; sistema kontrolya apparata Leningradskoj Atomnoj, "Control system of the device of the Leningrad Nuclear [Power Plant]", lit. "rock") was the process computer for the RBMK nuclear reactor at the Chernobyl nuclear power plant prior to October 1995. Dating to the 1960s, it used magnetic-core memory, magnetic tape data storage, and punched tape for loading software.
SKALA monitored and recorded reactor conditions and control board inputs. It was wired to accept 7200 analog signals and 6500 digital signals. The system continuously monitored the plant and displayed this information to operators. Additionally, a program called PRIZMA (Russian: ПРИЗМА, программа измерения мощности аппарата; programma izmereniya moshchnosti apparata, "Device power measurement program", lit. "prism") processed plant conditions and made recommendations to guide plant operators. This program took 5 to 10 minutes to run, and could not directly control the reactor"
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As a side note, there are currently still 7 RBMK reactors in operation, in Russia. But they use modern computers, modern instrumentation and control, different composition of nuclear fuel.
Comments
Current operating reactors don't have the design, constructions and operational flaws of Chernobyl. Current reactors don't have large positive void coefficient, instabilities at low power levels, manual controlling, slow control rods movements, computers from the 1960s.
Your mobile phone can do more computation in a milisecond that Chernobyl could do in minutes.
" SKALA (Russian: СКАЛА, система контроля аппарата Ленинградской Атомной; sistema kontrolya apparata Leningradskoj Atomnoj, "Control system of the device of the Leningrad Nuclear [Power Plant]", lit. "rock") was the process computer for the RBMK nuclear reactor at the Chernobyl nuclear power plant prior to October 1995. Dating to the 1960s, it used magnetic-core memory, magnetic tape data storage, and punched tape for loading software.
SKALA monitored and recorded reactor conditions and control board inputs. It was wired to accept 7200 analog signals and 6500 digital signals. The system continuously monitored the plant and displayed this information to operators. Additionally, a program called PRIZMA (Russian: ПРИЗМА, программа измерения мощности аппарата; programma izmereniya moshchnosti apparata, "Device power measurement program", lit. "prism") processed plant conditions and made recommendations to guide plant operators. This program took 5 to 10 minutes to run, and could not directly control the reactor" "
https://en.wikipedia.org/wiki/Chernobyl_Nuclear_Power_Plant
As a side note, there are currently still 7 RBMK reactors in operation, in Russia. But they use modern computers, modern instrumentation and control, different composition of nuclear fuel.